#2887DE
Closest named color: Dark Sky Blue (#448EE4). oklch(61.3% 0.157 250.8), rgb(40, 135, 222).
Aa
Black text reads best on this color (5.61:1).
About this color
#2887DE is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.157 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.030 away. Black text reads best on it, at 5.61:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.157) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.61:1 |
| White text | 3.74:1 |
Values
| HEX | #2887DE |
| RGB | rgb(40, 135, 222) |
| HSL | hsl(209, 73%, 51%) |
| OKLCH | oklch(61.3% 0.157 250.8) |
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 #2887DE | 3.74:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #2887DE | 5.61:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #2887DE text on white | 3.74:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #2887DE text on black | 5.61:1 | AA | Lc -37.2 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFEBF9
oklch(93.5% 0.023 252.2)
-
Step 200
200
#C5DCF5
oklch(88.5% 0.042 250.5)
-
Step 300
300
#9CC5F1
oklch(81% 0.076 250.6)
-
Step 400
400
#62A5EA
oklch(70.6% 0.123 250.6)
-
Step 500
500 (this color)
#2887DE
oklch(61.3% 0.157 250.8)
-
Step 600
600
#0075CD
oklch(55.6% 0.161 250.9)
-
Step 700
700
#0062AD
oklch(49.1% 0.142 250.8)
-
Step 800
800
#00508F
oklch(42.6% 0.123 250.8)
-
Step 900
900
#084375
oklch(37.7% 0.102 250.5)
-
Step 950
950
#092845
oklch(27.1% 0.065 250.4)
#2887DE 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) | #5D8DE1 | 0.048 |
| Deuteranopia (no green cones) | #3F7DDC | 0.028 |
| Tritanopia (no blue cones) | #009CA8 | 0.115 |
| Achromatopsia (no color) | #848484 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2887DE
#2887DE
oklch(61.3% 0.157 250.8)
- #B57400
#B57400
oklch(61.3% 0.132 70.8)
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 #2887DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.030
- Water Blue #0E87CC ΔE 0.030
- Chefchaouen Blue #4895EF ΔE 0.051
- Dodger Blue #1E90FF ΔE 0.051
- Soft Blue #6488EA ΔE 0.055
- Windows Blue #3778BF ΔE 0.056
- Cool Blue #4984B8 ΔE 0.059
- Clear Blue #247AFD ΔE 0.061
Use #2887DE 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.