#99AEE2
Closest named color: Carolina Blue (#8AB8FE). oklch(75.4% 0.079 267.4), rgb(153, 174, 226).
Aa
Black text reads best on this color (9.50:1).
About this color
#99AEE2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.079 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.043 away. Black text reads best on it, at 9.50:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.50:1 |
| White text | 2.20:1 |
Values
| HEX | #99AEE2 |
| RGB | rgb(153, 174, 226) |
| HSL | hsl(223, 56%, 74%) |
| OKLCH | oklch(75.4% 0.079 267.4) |
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 #99AEE2 | 2.20:1 | Fails | Lc -48.2 | Large or bold text, headings |
| Black text on #99AEE2 | 9.50:1 | AAA | Lc 60.5 | Content text, not long reading |
| #99AEE2 text on white | 2.20:1 | Fails | Lc 43.5 | Non-text elements, placeholder text |
| #99AEE2 text on black | 9.50:1 | AAA | Lc -58.7 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D1D9EC
oklch(88.5% 0.028 267.5)
-
Step 300
300
#B3C0E1
oklch(80.9% 0.049 268.3)
-
Step 400
400 (this color)
#99AEE2
oklch(75.4% 0.079 267.4)
-
Step 500
500
#6E87C7
oklch(63.1% 0.101 267.2)
-
Step 600
600
#5770B3
oklch(55.6% 0.109 267.3)
-
Step 700
700
#475D9A
oklch(49% 0.102 267.6)
-
Step 800
800
#3A4C7D
oklch(42.5% 0.085 267.5)
-
Step 900
900
#324065
oklch(37.7% 0.066 267.4)
-
Step 950
950
#1D263B
oklch(27.1% 0.041 266)
#99AEE2 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) | #9DB2E4 | 0.012 |
| Deuteranopia (no green cones) | #97ACE1 | 0.006 |
| Tritanopia (no blue cones) | #84B8C0 | 0.070 |
| Achromatopsia (no color) | #AEAEAE | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99AEE2
#99AEE2
oklch(75.4% 0.079 267.4)
- #C4AC74
#C4AC74
oklch(75.2% 0.079 87.3)
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 #99AEE2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.043
- Light Grey Blue #9DBCD4 ΔE 0.049
- Pastel Blue #A2BFFE ΔE 0.055
- Light Cornflower Blue #98C1D9 ΔE 0.057
- Cloudy Blue #ACC2D9 ΔE 0.066
- Cool Steel #97A7B3 ΔE 0.067
- French Gray #ADB5BD ΔE 0.067
- Lightblue #7BC8F6 ΔE 0.070
Use #99AEE2 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.