#1081E2
Closest named color: Water Blue (#0E87CC). oklch(59.8% 0.173 251.8), rgb(16, 129, 226).
Aa
Black text reads best on this color (5.26:1).
About this color
#1081E2 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.173 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.040 away. Black text reads best on it, at 5.26:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.173) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.26:1 |
| White text | 3.99:1 |
Values
| HEX | #1081E2 |
| RGB | rgb(16, 129, 226) |
| HSL | hsl(208, 87%, 47%) |
| OKLCH | oklch(59.8% 0.173 251.8) |
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 #1081E2 | 3.99:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #1081E2 | 5.26:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #1081E2 text on white | 3.99:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #1081E2 text on black | 5.26:1 | AA | Lc -35.1 | 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
#DEEBFA
oklch(93.5% 0.025 251.9)
-
Step 200
200
#C3DCF8
oklch(88.5% 0.047 251.3)
-
Step 300
300
#99C5F6
oklch(81% 0.084 251.6)
-
Step 400
400
#5DA5F2
oklch(70.8% 0.135 251.7)
-
Step 500
500 (this color)
#1081E2
oklch(59.8% 0.173 251.8)
-
Step 600
600
#0074D0
oklch(55.6% 0.166 251.9)
-
Step 700
700
#0061B0
oklch(49% 0.147 252)
-
Step 800
800
#005091
oklch(42.8% 0.126 251.5)
-
Step 900
900
#00427A
oklch(37.7% 0.112 251.7)
-
Step 950
950
#062748
oklch(27% 0.072 252.2)
#1081E2 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) | #4E89E6 | 0.046 |
| Deuteranopia (no green cones) | #2477E0 | 0.026 |
| Tritanopia (no blue cones) | #0098A6 | 0.126 |
| Achromatopsia (no color) | #7F7F7F | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1081E2
#1081E2
oklch(59.8% 0.173 251.8)
- #AE7100
#AE7100
oklch(59.9% 0.128 72.1)
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 #1081E2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.040
- Clear Blue #247AFD ΔE 0.047
- Dark Sky Blue #448EE4 ΔE 0.049
- Cerulean Blue #056EEE ΔE 0.055
- Windows Blue #3778BF ΔE 0.055
- Dodger Blue #1E90FF ΔE 0.056
- Royal Blue #4169E1 ΔE 0.062
- Soft Blue #6488EA ΔE 0.067
Use #1081E2 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.