#99C2DB
Closest named color: Light Cornflower Blue (#98C1D9). oklch(79.3% 0.056 235.2), rgb(153, 194, 219).
Aa
Black text reads best on this color (11.09:1).
About this color
#99C2DB is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.056 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.004 away. Black text reads best on it, at 11.09:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 11.09:1 |
| White text | 1.89:1 |
Values
| HEX | #99C2DB |
| RGB | rgb(153, 194, 219) |
| HSL | hsl(203, 48%, 73%) |
| OKLCH | oklch(79.3% 0.056 235.2) |
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 #99C2DB | 1.89:1 | Fails | Lc -40.2 | Non-text elements, placeholder text |
| Black text on #99C2DB | 11.09:1 | AAA | Lc 67.9 | Content text, not long reading |
| #99C2DB text on white | 1.89:1 | Fails | Lc 36.0 | Non-text elements, placeholder text |
| #99C2DB text on black | 11.09:1 | AAA | Lc -66.5 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C6DDEB
oklch(88.5% 0.031 234.5)
-
Step 300
300 (this color)
#99C2DB
oklch(79.3% 0.056 235.2)
-
Step 400
400
#65AAD1
oklch(70.7% 0.09 234.8)
-
Step 500
500
#3294C5
oklch(63.2% 0.115 234.9)
-
Step 600
600
#007DAE
oklch(55.7% 0.118 234.9)
-
Step 700
700
#006993
oklch(49.2% 0.104 234.9)
-
Step 800
800
#005679
oklch(42.8% 0.09 234.7)
-
Step 900
900
#0A4764
oklch(37.7% 0.076 235.8)
-
Step 950
950
#0A2A3A
oklch(27% 0.047 234.3)
#99C2DB 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) | #B7C1DC | 0.037 |
| Deuteranopia (no green cones) | #ADB9DB | 0.033 |
| Tritanopia (no blue cones) | #84C9CA | 0.043 |
| Achromatopsia (no color) | #BCBCBC | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99C2DB
#99C2DB
oklch(79.3% 0.056 235.2)
- #D9B399
#D9B399
oklch(79.4% 0.057 56.1)
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 #99C2DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.004
- Light Grey Blue #9DBCD4 ΔE 0.016
- Cloudy Blue #ACC2D9 ΔE 0.023
- Light Steel Blue #B0C4DE ΔE 0.030
- Sky Blue #87CEEB ΔE 0.035
- Light Blue Grey #B7C9E2 ΔE 0.044
- Lightblue #7BC8F6 ΔE 0.045
- Light Sky Blue #87CEFA ΔE 0.047
Use #99C2DB 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.