#2B85E8
Closest named color: Dark Sky Blue (#448EE4). oklch(61.6% 0.171 254.2), rgb(43, 133, 232).
Aa
Black text reads best on this color (5.62:1).
About this color
#2B85E8 is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.171 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.033 away. Black text reads best on it, at 5.62:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.62:1 |
| White text | 3.73:1 |
Values
| HEX | #2B85E8 |
| RGB | rgb(43, 133, 232) |
| HSL | hsl(211, 80%, 54%) |
| OKLCH | oklch(61.6% 0.171 254.2) |
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 #2B85E8 | 3.73:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #2B85E8 | 5.62:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #2B85E8 text on white | 3.73:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #2B85E8 text on black | 5.62:1 | AA | Lc -37.3 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C5DBF8
oklch(88.4% 0.047 255.4)
-
Step 300
300
#9BC4F6
oklch(80.9% 0.084 253.7)
-
Step 400
400
#62A3F2
oklch(70.6% 0.134 254.3)
-
Step 500
500 (this color)
#2B85E8
oklch(61.6% 0.171 254.2)
-
Step 600
600
#0072D7
oklch(55.6% 0.177 254)
-
Step 700
700
#005FB6
oklch(49% 0.157 254.2)
-
Step 800
800
#004E97
oklch(42.8% 0.136 254.1)
-
Step 900
900
#0A417B
oklch(37.7% 0.112 254.4)
-
Step 950
950
#092748
oklch(27.1% 0.071 253.7)
#2B85E8 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) | #528DEC | 0.039 |
| Deuteranopia (no green cones) | #2E7CE6 | 0.023 |
| Tritanopia (no blue cones) | #009DAB | 0.129 |
| Achromatopsia (no color) | #848484 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B85E8
#2B85E8
oklch(61.6% 0.171 254.2)
- #B37700
#B37700
oklch(61.7% 0.131 74)
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 #2B85E8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.033
- Dodger Blue #1E90FF ΔE 0.041
- Clear Blue #247AFD ΔE 0.045
- Water Blue #0E87CC ΔE 0.047
- Soft Blue #6488EA ΔE 0.051
- Chefchaouen Blue #4895EF ΔE 0.051
- Cerulean Blue #056EEE ΔE 0.065
- Windows Blue #3778BF ΔE 0.066
Use #2B85E8 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.