#2784F5
Closest named color: Clear Blue (#247AFD). oklch(62.1% 0.189 256.2), rgb(39, 132, 245).
Aa
Black text reads best on this color (5.70:1).
About this color
#2784F5 is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.189 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.029 away. Black text reads best on it, at 5.70:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.189) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.70:1 |
| White text | 3.68:1 |
Values
| HEX | #2784F5 |
| RGB | rgb(39, 132, 245) |
| HSL | hsl(213, 91%, 56%) |
| OKLCH | oklch(62.1% 0.189 256.2) |
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 #2784F5 | 3.68:1 | AA large text | Lc -69.3 | Content text, not long reading |
| Black text on #2784F5 | 5.70:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #2784F5 text on white | 3.68:1 | AA large text | Lc 63.8 | Content text, not long reading |
| #2784F5 text on black | 5.70:1 | AA | Lc -37.9 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200
#C4DBFC
oklch(88.5% 0.052 257.4)
-
Step 300
300
#99C3FC
oklch(80.8% 0.093 256.2)
-
Step 400
400
#5FA2FB
oklch(70.7% 0.148 256.1)
-
Step 500
500 (this color)
#2784F5
oklch(62.1% 0.189 256.2)
-
Step 600
600
#006FDF
oklch(55.6% 0.191 256.1)
-
Step 700
700
#005DBD
oklch(49.1% 0.169 256.1)
-
Step 800
800
#004C9D
oklch(42.8% 0.147 256.2)
-
Step 900
900
#063F81
oklch(37.6% 0.124 256.4)
-
Step 950
950
#08264B
oklch(27% 0.077 255.8)
#2784F5 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) | #458FF9 | 0.038 |
| Deuteranopia (no green cones) | #007DF3 | 0.024 |
| Tritanopia (no blue cones) | #009FB1 | 0.142 |
| Achromatopsia (no color) | #858585 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2784F5
#2784F5
oklch(62.1% 0.189 256.2)
- #B37A00
#B37A00
oklch(62.2% 0.131 76.2)
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 #2784F5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.029
- Dodger Blue #1E90FF ΔE 0.032
- Dark Sky Blue #448EE4 ΔE 0.045
- Soft Blue #6488EA ΔE 0.055
- Chefchaouen Blue #4895EF ΔE 0.055
- Cerulean Blue #056EEE ΔE 0.060
- Cornflower #6A79F7 ΔE 0.061
- Water Blue #0E87CC ΔE 0.066
Use #2784F5 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.