#1081E9
Closest named color: Clear Blue (#247AFD). oklch(60.3% 0.181 253.2), rgb(16, 129, 233).
Aa
Black text reads best on this color (5.33:1).
About this color
#1081E9 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.181 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.037 away. Black text reads best on it, at 5.33:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #1081E9 |
| RGB | rgb(16, 129, 233) |
| HSL | hsl(209, 87%, 49%) |
| OKLCH | oklch(60.3% 0.181 253.2) |
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 #1081E9 | 3.93:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #1081E9 | 5.33:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #1081E9 text on white | 3.93:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #1081E9 text on black | 5.33:1 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DEEBFB
oklch(93.5% 0.026 253.6)
-
Step 200
200
#C3DCFA
oklch(88.6% 0.049 253.1)
-
Step 300
300
#98C4F9
oklch(80.8% 0.089 253.5)
-
Step 400
400
#5BA4F6
oklch(70.7% 0.141 252.8)
-
Step 500
500 (this color)
#1081E9
oklch(60.3% 0.181 253.2)
-
Step 600
600
#0073D4
oklch(55.6% 0.172 253.1)
-
Step 700
700
#0060B3
oklch(49% 0.152 253.2)
-
Step 800
800
#004F94
oklch(42.8% 0.131 252.8)
-
Step 900
900
#00417D
oklch(37.6% 0.117 253.3)
-
Step 950
950
#05274A
oklch(27.1% 0.075 252.9)
#1081E9 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) | #488AED | 0.043 |
| Deuteranopia (no green cones) | #1078E7 | 0.024 |
| Tritanopia (no blue cones) | #009AAA | 0.133 |
| Achromatopsia (no color) | #808080 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1081E9
#1081E9
oklch(60.3% 0.181 253.2)
- #AF7300
#AF7300
oklch(60.4% 0.129 73.1)
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 #1081E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.037
- Dark Sky Blue #448EE4 ΔE 0.049
- Dodger Blue #1E90FF ΔE 0.050
- Water Blue #0E87CC ΔE 0.050
- Cerulean Blue #056EEE ΔE 0.051
- Royal Blue #4169E1 ΔE 0.061
- Windows Blue #3778BF ΔE 0.065
- Soft Blue #6488EA ΔE 0.065
Use #1081E9 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.