#2880DF
Closest named color: Water Blue (#0E87CC). oklch(59.8% 0.166 253.9), rgb(40, 128, 223).
Aa
Black text reads best on this color (5.24:1).
About this color
#2880DF is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.166 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.039 away. Black text reads best on it, at 5.24:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #2880DF |
| RGB | rgb(40, 128, 223) |
| HSL | hsl(211, 74%, 52%) |
| OKLCH | oklch(59.8% 0.166 253.9) |
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 #2880DF | 4.00:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #2880DF | 5.24:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #2880DF text on white | 4.00:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #2880DF text on black | 5.24:1 | AA | Lc -34.8 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C5DBF7
oklch(88.4% 0.045 254.5)
-
Step 300
300
#9CC4F5
oklch(80.9% 0.082 253.8)
-
Step 400
400
#64A4EF
oklch(70.8% 0.129 253.4)
-
Step 500
500 (this color)
#2880DF
oklch(59.8% 0.166 253.9)
-
Step 600
600
#0072D6
oklch(55.6% 0.176 253.8)
-
Step 700
700
#0060B6
oklch(49.2% 0.156 253.8)
-
Step 800
800
#004E96
oklch(42.7% 0.135 253.8)
-
Step 900
900
#0D4279
oklch(37.8% 0.108 253.6)
-
Step 950
950
#0A2747
oklch(27.1% 0.069 253.6)
#2880DF 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) | #5088E3 | 0.040 |
| Deuteranopia (no green cones) | #2C77DD | 0.023 |
| Tritanopia (no blue cones) | #0097A4 | 0.125 |
| Achromatopsia (no color) | #7F7F7F | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2880DF
#2880DF
oklch(59.8% 0.166 253.9)
- #AC7200
#AC7200
oklch(59.8% 0.127 73.9)
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 #2880DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.039
- Dark Sky Blue #448EE4 ΔE 0.045
- Clear Blue #247AFD ΔE 0.050
- Windows Blue #3778BF ΔE 0.050
- Cerulean Blue #056EEE ΔE 0.057
- Royal Blue #4169E1 ΔE 0.059
- Dodger Blue #1E90FF ΔE 0.059
- Soft Blue #6488EA ΔE 0.061
Use #2880DF 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.