#99AEEB
Closest named color: Carolina Blue (#8AB8FE). oklch(75.7% 0.091 269.5), rgb(153, 174, 235).
Aa
Black text reads best on this color (9.60:1).
About this color
#99AEEB is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.091 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.035 away. Black text reads best on it, at 9.60:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.60:1 |
| White text | 2.18:1 |
Values
| HEX | #99AEEB |
| RGB | rgb(153, 174, 235) |
| HSL | hsl(225, 67%, 76%) |
| OKLCH | oklch(75.7% 0.091 269.5) |
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 #99AEEB | 2.18:1 | Fails | Lc -47.7 | Large or bold text, headings |
| Black text on #99AEEB | 9.60:1 | AAA | Lc 61.0 | Content text, not long reading |
| #99AEEB text on white | 2.18:1 | Fails | Lc 43.0 | Non-text elements, placeholder text |
| #99AEEB text on black | 9.60:1 | AAA | Lc -59.2 | 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
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D1D9EF
oklch(88.6% 0.031 269.8)
-
Step 300
300
#B2C0E6
oklch(81% 0.056 269.2)
-
Step 400
400 (this color)
#99AEEB
oklch(75.7% 0.091 269.5)
-
Step 500
500
#6D85D0
oklch(63.1% 0.117 269.4)
-
Step 600
600
#566EBD
oklch(55.7% 0.126 269.3)
-
Step 700
700
#465BA3
oklch(49% 0.118 269.4)
-
Step 800
800
#3A4B84
oklch(42.8% 0.097 269.5)
-
Step 900
900
#313F6A
oklch(37.7% 0.076 268.9)
-
Step 950
950
#1D253E
oklch(27% 0.048 269.5)
#99AEEB 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) | #9AB3EE | 0.013 |
| Deuteranopia (no green cones) | #93ACEA | 0.010 |
| Tritanopia (no blue cones) | #81BAC3 | 0.082 |
| Achromatopsia (no color) | #AFAFAF | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99AEEB
#99AEEB
oklch(75.7% 0.091 269.5)
- #C7AE6B
#C7AE6B
oklch(75.8% 0.091 89.7)
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 #99AEEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.035
- Pastel Blue #A2BFFE ΔE 0.049
- Light Grey Blue #9DBCD4 ΔE 0.058
- Light Cornflower Blue #98C1D9 ΔE 0.065
- Periwinkle Blue #8F99FB ΔE 0.068
- Lightblue #7BC8F6 ΔE 0.070
- Cloudy Blue #ACC2D9 ΔE 0.073
- Sky #82CAFC ΔE 0.073
Use #99AEEB 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.