#2A82E0
Closest named color: Water Blue (#0E87CC). oklch(60.4% 0.164 253.6), rgb(42, 130, 224).
Aa
Black text reads best on this color (5.36:1).
About this color
#2A82E0 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.164 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.038 away. Black text reads best on it, at 5.36:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.164) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.36:1 |
| White text | 3.91:1 |
Values
| HEX | #2A82E0 |
| RGB | rgb(42, 130, 224) |
| HSL | hsl(211, 75%, 52%) |
| OKLCH | oklch(60.4% 0.164 253.6) |
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 #2A82E0 | 3.91:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #2A82E0 | 5.36:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #2A82E0 text on white | 3.91:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #2A82E0 text on black | 5.36:1 | AA | Lc -35.6 | 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
#9CC4F4
oklch(80.9% 0.081 253.3)
-
Step 400
400
#64A4EF
oklch(70.8% 0.129 253.4)
-
Step 500
500 (this color)
#2A82E0
oklch(60.4% 0.164 253.6)
-
Step 600
600
#0072D5
oklch(55.5% 0.175 253.6)
-
Step 700
700
#0060B5
oklch(49.2% 0.155 253.6)
-
Step 800
800
#004E95
oklch(42.6% 0.134 253.6)
-
Step 900
900
#0D4278
oklch(37.8% 0.106 253.3)
-
Step 950
950
#0A2746
oklch(27% 0.067 252.9)
#2A82E0 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) | #5389E4 | 0.040 |
| Deuteranopia (no green cones) | #3179DE | 0.023 |
| Tritanopia (no blue cones) | #0098A6 | 0.122 |
| Achromatopsia (no color) | #818181 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A82E0
#2A82E0
oklch(60.4% 0.164 253.6)
- #AE7300
#AE7300
oklch(60.3% 0.128 73.6)
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 #2A82E0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.038
- Dark Sky Blue #448EE4 ΔE 0.040
- Clear Blue #247AFD ΔE 0.051
- Windows Blue #3778BF ΔE 0.053
- Dodger Blue #1E90FF ΔE 0.055
- Soft Blue #6488EA ΔE 0.057
- Chefchaouen Blue #4895EF ΔE 0.061
- Cerulean Blue #056EEE ΔE 0.062
Use #2A82E0 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.