#99C4E4
Closest named color: Light Cornflower Blue (#98C1D9). oklch(80.1% 0.064 240.8), rgb(153, 196, 228).
Aa
Black text reads best on this color (11.37:1).
About this color
#99C4E4 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.064 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.016 away. Black text reads best on it, at 11.37:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 11.37:1 |
| White text | 1.84:1 |
Values
| HEX | #99C4E4 |
| RGB | rgb(153, 196, 228) |
| HSL | hsl(206, 58%, 75%) |
| OKLCH | oklch(80.1% 0.064 240.8) |
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 #99C4E4 | 1.84:1 | Fails | Lc -38.9 | Non-text elements, placeholder text |
| Black text on #99C4E4 | 11.37:1 | AAA | Lc 69.2 | Content text, not long reading |
| #99C4E4 text on white | 1.84:1 | Fails | Lc 34.7 | Non-text elements, placeholder text |
| #99C4E4 text on black | 11.37:1 | AAA | Lc -67.9 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200
#C5DDEF
oklch(88.5% 0.036 240.3)
-
Step 300
300 (this color)
#99C4E4
oklch(80.1% 0.064 240.8)
-
Step 400
400
#61A9DB
oklch(70.8% 0.103 240.6)
-
Step 500
500
#2992D1
oklch(63.1% 0.132 240.8)
-
Step 600
600
#007BB7
oklch(55.7% 0.129 240.7)
-
Step 700
700
#00679B
oklch(49.1% 0.115 241)
-
Step 800
800
#005480
oklch(42.6% 0.1 241.3)
-
Step 900
900
#03466A
oklch(37.6% 0.085 240.6)
-
Step 950
950
#07293E
oklch(26.9% 0.055 240.7)
#99C4E4 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) | #B6C3E6 | 0.036 |
| Deuteranopia (no green cones) | #ADBBE3 | 0.032 |
| Tritanopia (no blue cones) | #81CCCE | 0.052 |
| Achromatopsia (no color) | #BFBFBF | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99C4E4
#99C4E4
oklch(80.1% 0.064 240.8)
- #DDB594
#DDB594
oklch(80% 0.064 61.2)
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 #99C4E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.016
- Cloudy Blue #ACC2D9 ΔE 0.026
- Light Grey Blue #9DBCD4 ΔE 0.026
- Light Steel Blue #B0C4DE ΔE 0.028
- Sky Blue #87CEEB ΔE 0.029
- Light Sky Blue #87CEFA ΔE 0.037
- Lightblue #7BC8F6 ΔE 0.037
- Sky #82CAFC ΔE 0.038
Use #99C4E4 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.