#1C84FE
Closest named color: Clear Blue (#247AFD). oklch(62.5% 0.202 256.4), rgb(28, 132, 254).
Aa
Black text reads best on this color (5.78:1).
About this color
#1C84FE is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.202 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.024 away. Black text reads best on it, at 5.78:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.202) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.78:1 |
| White text | 3.63:1 |
Values
| HEX | #1C84FE |
| RGB | rgb(28, 132, 254) |
| HSL | hsl(212, 99%, 55%) |
| OKLCH | oklch(62.5% 0.202 256.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1C84FE | 3.63:1 | AA large text | Lc -68.7 | Content text, not long reading |
| Black text on #1C84FE | 5.78:1 | AA | Lc 40.8 | Non-text elements, placeholder text |
| #1C84FE text on white | 3.63:1 | AA large text | Lc 63.2 | Content text, not long reading |
| #1C84FE text on black | 5.78:1 | AA | Lc -38.4 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DEEBFD
oklch(93.6% 0.028 256.5)
-
Step 200
200
#C2DBFE
oklch(88.4% 0.055 256.8)
-
Step 300
300
#98C3FF
oklch(80.9% 0.097 256.8)
-
Step 400
400
#5CA1FF
oklch(70.6% 0.155 256.6)
-
Step 500
500 (this color)
#1C84FE
oklch(62.5% 0.202 256.4)
-
Step 600
600
#006FE0
oklch(55.6% 0.192 256.3)
-
Step 700
700
#005DBE
oklch(49.2% 0.17 256.3)
-
Step 800
800
#004C9D
oklch(42.8% 0.147 256.2)
-
Step 900
900
#003F85
oklch(37.8% 0.131 256.3)
-
Step 950
950
#05254E
oklch(26.9% 0.084 256.6)
#1C84FE with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #3991FF | 0.039 |
| Deuteranopia (no green cones) | #007DFC | 0.020 |
| Tritanopia (no blue cones) | #00A2B5 | 0.152 |
| Achromatopsia (no color) | #868686 | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C84FE
#1C84FE
oklch(62.5% 0.202 256.4)
- #B47B00
#B47B00
oklch(62.5% 0.131 76.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1C84FE, closest first.
No curated palette has a color within ΔE 0.04 of #1C84FE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.024
- Dodger Blue #1E90FF ΔE 0.031
- Dark Sky Blue #448EE4 ΔE 0.056
- Cerulean Blue #056EEE ΔE 0.061
- Chefchaouen Blue #4895EF ΔE 0.062
- Soft Blue #6488EA ΔE 0.063
- Cornflower #6A79F7 ΔE 0.064
- Royal Blue #4169E1 ΔE 0.075
Use #1C84FE in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.