#99B8EA
Closest named color: Carolina Blue (#8AB8FE). oklch(77.8% 0.08 259.8), rgb(153, 184, 234).
Aa
Black text reads best on this color (10.39:1).
About this color
#99B8EA is a medium-light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.080 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.033 away. Black text reads best on it, at 10.39:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 10.39:1 |
| White text | 2.01:1 |
Values
| HEX | #99B8EA |
| RGB | rgb(153, 184, 234) |
| HSL | hsl(217, 66%, 76%) |
| OKLCH | oklch(77.8% 0.08 259.8) |
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 #99B8EA | 2.01:1 | Fails | Lc -43.7 | Non-text elements, placeholder text |
| Black text on #99B8EA | 10.39:1 | AAA | Lc 64.7 | Content text, not long reading |
| #99B8EA text on white | 2.01:1 | Fails | Lc 39.2 | Non-text elements, placeholder text |
| #99B8EA text on black | 10.39:1 | AAA | Lc -63.2 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EBFA
oklch(93.7% 0.023 258.4)
-
Step 200
200
#C8DAF7
oklch(88.4% 0.045 259.9)
-
Step 300
300 (this color)
#99B8EA
oklch(77.8% 0.08 259.8)
-
Step 400
400
#70A1EF
oklch(70.7% 0.127 259.4)
-
Step 500
500
#4A87EA
oklch(63.1% 0.162 259.6)
-
Step 600
600
#2C6ED8
oklch(55.6% 0.176 259.7)
-
Step 700
700
#1F5BBC
oklch(49.1% 0.165 259.9)
-
Step 800
800
#1C4B98
oklch(42.7% 0.136 259.9)
-
Step 900
900
#1D3F79
oklch(37.6% 0.107 260.4)
-
Step 950
950
#112647
oklch(27.1% 0.067 259.1)
#99B8EA 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) | #A7BBEC | 0.020 |
| Deuteranopia (no green cones) | #9EB3E9 | 0.014 |
| Tritanopia (no blue cones) | #80C3C9 | 0.071 |
| Achromatopsia (no color) | #B6B6B6 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99B8EA
#99B8EA
oklch(77.8% 0.08 259.8)
- #D2B17C
#D2B17C
oklch(77.7% 0.079 79)
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 #99B8EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.033
- Pastel Blue #A2BFFE ΔE 0.034
- Light Grey Blue #9DBCD4 ΔE 0.037
- Light Cornflower Blue #98C1D9 ΔE 0.040
- Lightblue #7BC8F6 ΔE 0.048
- Cloudy Blue #ACC2D9 ΔE 0.049
- Sky #82CAFC ΔE 0.050
- Light Steel Blue #B0C4DE ΔE 0.052
Use #99B8EA 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.