#99C8F4
Closest named color: Light Sky Blue (#87CEFA). oklch(81.5% 0.08 247.2), rgb(153, 200, 244).
Aa
Black text reads best on this color (11.92:1).
About this color
#99C8F4 is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.080 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.022 away. Black text reads best on it, at 11.92:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 11.92:1 |
| White text | 1.76:1 |
Values
| HEX | #99C8F4 |
| RGB | rgb(153, 200, 244) |
| HSL | hsl(209, 81%, 78%) |
| OKLCH | oklch(81.5% 0.08 247.2) |
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 #99C8F4 | 1.76:1 | Fails | Lc -36.2 | Non-text elements, placeholder text |
| Black text on #99C8F4 | 11.92:1 | AAA | Lc 71.6 | Content text, not long reading |
| #99C8F4 text on white | 1.76:1 | Fails | Lc 32.2 | Non-text elements, placeholder text |
| #99C8F4 text on black | 11.92:1 | AAA | Lc -70.5 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DEECF9
oklch(93.6% 0.023 246)
-
Step 200
200
#C3DDF5
oklch(88.6% 0.043 246.2)
-
Step 300
300 (this color)
#99C8F4
oklch(81.5% 0.08 247.2)
-
Step 400
400
#58A7EC
oklch(70.8% 0.128 247.1)
-
Step 500
500
#0E8FE5
oklch(63.2% 0.162 246.8)
-
Step 600
600
#0078C3
oklch(55.7% 0.146 246.8)
-
Step 700
700
#0064A5
oklch(49% 0.13 247.2)
-
Step 800
800
#005289
oklch(42.7% 0.113 247.3)
-
Step 900
900
#004473
oklch(37.7% 0.1 247.4)
-
Step 950
950
#032845
oklch(26.9% 0.067 247.3)
#99C8F4 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) | #B7C8F6 | 0.037 |
| Deuteranopia (no green cones) | #ABBFF3 | 0.030 |
| Tritanopia (no blue cones) | #7AD2D6 | 0.067 |
| Achromatopsia (no color) | #C3C3C3 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99C8F4
#99C8F4
oklch(81.5% 0.08 247.2)
- #E6B98B
#E6B98B
oklch(81.5% 0.08 66.9)
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 #99C8F4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.022
- Baby Blue #A2CFFE ΔE 0.024
- Sky #82CAFC ΔE 0.025
- Sky Blue #87CEEB ΔE 0.030
- Lightblue #7BC8F6 ΔE 0.031
- Pastel Blue #A2BFFE ΔE 0.033
- Light Steel Blue #B0C4DE ΔE 0.038
- Light Cornflower Blue #98C1D9 ΔE 0.038
Use #99C8F4 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.