#99C4EA
Closest named color: Light Cornflower Blue (#98C1D9). oklch(80.3% 0.071 245.5), rgb(153, 196, 234).
Aa
Black text reads best on this color (11.43:1).
About this color
#99C4EA is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.071 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.024 away. Black text reads best on it, at 11.43:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 11.43:1 |
| White text | 1.83:1 |
Values
| HEX | #99C4EA |
| RGB | rgb(153, 196, 234) |
| HSL | hsl(208, 66%, 76%) |
| OKLCH | oklch(80.3% 0.071 245.5) |
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 #99C4EA | 1.83:1 | Fails | Lc -38.5 | Non-text elements, placeholder text |
| Black text on #99C4EA | 11.43:1 | AAA | Lc 69.5 | Content text, not long reading |
| #99C4EA text on white | 1.83:1 | Fails | Lc 34.4 | Non-text elements, placeholder text |
| #99C4EA text on black | 11.43:1 | AAA | Lc -68.2 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF7
oklch(93.7% 0.02 243.4)
-
Step 200
200
#C5DCF2
oklch(88.4% 0.039 247.1)
-
Step 300
300 (this color)
#99C4EA
oklch(80.3% 0.071 245.5)
-
Step 400
400
#60A7E3
oklch(70.7% 0.114 245.8)
-
Step 500
500
#2890DB
oklch(63.2% 0.145 245.5)
-
Step 600
600
#0079C0
oklch(55.7% 0.141 245.3)
-
Step 700
700
#0065A2
oklch(49% 0.125 245.5)
-
Step 800
800
#005386
oklch(42.8% 0.108 245.3)
-
Step 900
900
#024570
oklch(37.8% 0.094 245.3)
-
Step 950
950
#072942
oklch(27.1% 0.06 245.2)
#99C4EA 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) | #B5C4EC | 0.035 |
| Deuteranopia (no green cones) | #AABBE9 | 0.029 |
| Tritanopia (no blue cones) | #7FCDD0 | 0.059 |
| Achromatopsia (no color) | #BFBFBF | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99C4EA
#99C4EA
oklch(80.3% 0.071 245.5)
- #DFB68F
#DFB68F
oklch(80.3% 0.071 65.1)
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 #99C4EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.024
- Cloudy Blue #ACC2D9 ΔE 0.031
- Sky Blue #87CEEB ΔE 0.031
- Light Steel Blue #B0C4DE ΔE 0.031
- Light Sky Blue #87CEFA ΔE 0.032
- Light Grey Blue #9DBCD4 ΔE 0.032
- Sky #82CAFC ΔE 0.032
- Lightblue #7BC8F6 ΔE 0.033
Use #99C4EA 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.