#2184F1
Closest named color: Clear Blue (#247AFD). oklch(61.7% 0.185 254.9), rgb(33, 132, 241).
Aa
Black text reads best on this color (5.63:1).
About this color
#2184F1 is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.185 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.032 away. Black text reads best on it, at 5.63:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.185) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.63:1 |
| White text | 3.72:1 |
Values
| HEX | #2184F1 |
| RGB | rgb(33, 132, 241) |
| HSL | hsl(211, 88%, 54%) |
| OKLCH | oklch(61.7% 0.185 254.9) |
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 #2184F1 | 3.72:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #2184F1 | 5.63:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #2184F1 text on white | 3.72:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #2184F1 text on black | 5.63:1 | AA | Lc -37.4 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DEEBFC
oklch(93.5% 0.027 255.1)
-
Step 200
200
#C3DBFB
oklch(88.4% 0.051 255.7)
-
Step 300
300
#99C4FB
oklch(81% 0.091 254.9)
-
Step 400
400
#5EA3F9
oklch(70.8% 0.145 254.9)
-
Step 500
500 (this color)
#2184F1
oklch(61.7% 0.185 254.9)
-
Step 600
600
#0071DA
oklch(55.6% 0.182 254.8)
-
Step 700
700
#005FB9
oklch(49.2% 0.161 254.8)
-
Step 800
800
#004D99
oklch(42.7% 0.14 255)
-
Step 900
900
#03407F
oklch(37.6% 0.121 254.9)
-
Step 950
950
#07264B
oklch(27% 0.077 255.4)
#2184F1 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) | #488EF5 | 0.040 |
| Deuteranopia (no green cones) | #0C7CEF | 0.023 |
| Tritanopia (no blue cones) | #009EAF | 0.138 |
| Achromatopsia (no color) | #848484 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2184F1
#2184F1
oklch(61.7% 0.185 254.9)
- #B27800
#B27800
oklch(61.7% 0.13 75.2)
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 #2184F1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.032
- Dodger Blue #1E90FF ΔE 0.035
- Dark Sky Blue #448EE4 ΔE 0.043
- Chefchaouen Blue #4895EF ΔE 0.056
- Soft Blue #6488EA ΔE 0.056
- Cerulean Blue #056EEE ΔE 0.059
- Water Blue #0E87CC ΔE 0.059
- Cornflower #6A79F7 ΔE 0.065
Use #2184F1 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.