#81BCDD
Closest named color: Light Cornflower Blue (#98C1D9). oklch(76.7% 0.077 233.6), rgb(129, 188, 221).
Aa
Black text reads best on this color (10.17:1).
About this color
#81BCDD is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.077 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.031 away. Black text reads best on it, at 10.17:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.17:1 |
| White text | 2.06:1 |
Values
| HEX | #81BCDD |
| RGB | rgb(129, 188, 221) |
| HSL | hsl(202, 58%, 69%) |
| OKLCH | oklch(76.7% 0.077 233.6) |
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 #81BCDD | 2.06:1 | Fails | Lc -44.8 | Non-text elements, placeholder text |
| Black text on #81BCDD | 10.17:1 | AAA | Lc 63.7 | Content text, not long reading |
| #81BCDD text on white | 2.06:1 | Fails | Lc 40.2 | Non-text elements, placeholder text |
| #81BCDD text on black | 10.17:1 | AAA | Lc -62.1 | Content text, not long reading |
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 300.
-
Step 50
50
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DCEDF7
oklch(93.6% 0.023 233.4)
-
Step 200
200
#BEDFF1
oklch(88.5% 0.043 231.8)
-
Step 300
300 (this color)
#81BCDD
oklch(76.7% 0.077 233.6)
-
Step 400
400
#40ADE1
oklch(70.8% 0.123 233.3)
-
Step 500
500
#0095CC
oklch(63.1% 0.132 233.7)
-
Step 600
600
#007DAC
oklch(55.5% 0.116 233.8)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950
#002A3D
oklch(26.9% 0.056 233.8)
#81BCDD 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) | #ACBADF | 0.051 |
| Deuteranopia (no green cones) | #9FB0DD | 0.045 |
| Tritanopia (no blue cones) | #5CC5C7 | 0.058 |
| Achromatopsia (no color) | #B4B4B4 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81BCDD
#81BCDD
oklch(76.7% 0.077 233.6)
- #DBA685
#DBA685
oklch(76.6% 0.077 53.1)
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 #81BCDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.031
- Light Grey Blue #9DBCD4 ΔE 0.033
- Lightblue #7BC8F6 ΔE 0.041
- Sky Blue #87CEEB ΔE 0.050
- Vivid Sky Blue #4CC9F0 ΔE 0.050
- Sky #82CAFC ΔE 0.051
- Carolina Blue #8AB8FE ΔE 0.054
- Cloudy Blue #ACC2D9 ΔE 0.055
Use #81BCDD 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.