#99C8EA
Closest named color: Sky Blue (#87CEEB). oklch(81.1% 0.069 240.1), rgb(153, 200, 234).
Aa
Black text reads best on this color (11.80:1).
About this color
#99C8EA is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.069 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.023 away. Black text reads best on it, at 11.80:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 11.80:1 |
| White text | 1.77:1 |
Values
| HEX | #99C8EA |
| RGB | rgb(153, 200, 234) |
| HSL | hsl(205, 66%, 76%) |
| OKLCH | oklch(81.1% 0.069 240.1) |
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 #99C8EA | 1.77:1 | Fails | Lc -36.7 | Non-text elements, placeholder text |
| Black text on #99C8EA | 11.80:1 | AAA | Lc 71.1 | Content text, not long reading |
| #99C8EA text on white | 1.77:1 | Fails | Lc 32.7 | Non-text elements, placeholder text |
| #99C8EA text on black | 11.80:1 | AAA | Lc -69.9 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C3DDF0
oklch(88.4% 0.038 239.6)
-
Step 300
300 (this color)
#99C8EA
oklch(81.1% 0.069 240.1)
-
Step 400
400
#5AA9DE
oklch(70.6% 0.11 240.2)
-
Step 500
500
#1192D5
oklch(63% 0.141 240.2)
-
Step 600
600
#007BB6
oklch(55.6% 0.128 240.2)
-
Step 700
700
#00679A
oklch(49.1% 0.113 240.5)
-
Step 800
800
#00557F
oklch(42.8% 0.098 239.8)
-
Step 900
900
#00466A
oklch(37.6% 0.086 240.1)
-
Step 950
950
#032940
oklch(26.9% 0.059 241)
#99C8EA 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) | #B9C7EC | 0.039 |
| Deuteranopia (no green cones) | #AFBEE9 | 0.035 |
| Tritanopia (no blue cones) | #7ED0D3 | 0.054 |
| Achromatopsia (no color) | #C2C2C2 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99C8EA
#99C8EA
oklch(81.1% 0.069 240.1)
- #E3B795
#E3B795
oklch(81% 0.069 59.3)
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 #99C8EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.023
- Light Cornflower Blue #98C1D9 ΔE 0.027
- Light Sky Blue #87CEFA ΔE 0.028
- Light Steel Blue #B0C4DE ΔE 0.030
- Cloudy Blue #ACC2D9 ΔE 0.030
- Sky #82CAFC ΔE 0.032
- Baby Blue #A2CFFE ΔE 0.033
- Lightblue #7BC8F6 ΔE 0.034
Use #99C8EA 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.