#99AAEC
Closest named color: Carolina Blue (#8AB8FE). oklch(75% 0.097 272.8), rgb(153, 170, 236).
Aa
Black text reads best on this color (9.31:1).
About this color
#99AAEC is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.097 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.040 away. Black text reads best on it, at 9.31:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.31:1 |
| White text | 2.25:1 |
Values
| HEX | #99AAEC |
| RGB | rgb(153, 170, 236) |
| HSL | hsl(228, 69%, 76%) |
| OKLCH | oklch(75% 0.097 272.8) |
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 #99AAEC | 2.25:1 | Fails | Lc -49.2 | Large or bold text, headings |
| Black text on #99AAEC | 9.31:1 | AAA | Lc 59.6 | Large or bold text, headings |
| #99AAEC text on white | 2.25:1 | Fails | Lc 44.4 | Non-text elements, placeholder text |
| #99AAEC text on black | 9.31:1 | AAA | Lc -57.7 | Large or bold text, headings |
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 400.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D1D8F0
oklch(88.4% 0.034 272.8)
-
Step 300
300
#B3BFE9
oklch(81% 0.061 272.5)
-
Step 400
400 (this color)
#99AAEC
oklch(75% 0.097 272.8)
-
Step 500
500
#7183D4
oklch(63.1% 0.124 272.9)
-
Step 600
600
#5A6BC2
oklch(55.6% 0.136 272.9)
-
Step 700
700
#4A59A7
oklch(49.1% 0.125 272.8)
-
Step 800
800
#3D4987
oklch(42.7% 0.103 273)
-
Step 900
900
#333E6C
oklch(37.8% 0.08 271.9)
-
Step 950
950
#1E243F
oklch(26.9% 0.051 273)
#99AAEC 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) | #95B0EF | 0.015 |
| Deuteranopia (no green cones) | #8EA9EA | 0.015 |
| Tritanopia (no blue cones) | #81B7C1 | 0.087 |
| Achromatopsia (no color) | #ADADAD | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99AAEC
#99AAEC
oklch(75% 0.097 272.8)
- #C3AD63
#C3AD63
oklch(75.1% 0.098 93.3)
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 #99AAEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.040
- Periwinkle Blue #8F99FB ΔE 0.057
- Pastel Blue #A2BFFE ΔE 0.058
- Light Grey Blue #9DBCD4 ΔE 0.069
- Pale Purple #B790D4 ΔE 0.074
- Light Cornflower Blue #98C1D9 ΔE 0.076
- Pale Violet #CEAEFA ΔE 0.079
- Pastel Purple #CAA0FF ΔE 0.080
Use #99AAEC 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.