#99ABDD
Closest named color: Carolina Blue (#8AB8FE). oklch(74.5% 0.075 269.2), rgb(153, 171, 221).
Aa
Black text reads best on this color (9.22:1).
About this color
#99ABDD is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.075 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.052 away. Black text reads best on it, at 9.22:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.22:1 |
| White text | 2.27:1 |
Values
| HEX | #99ABDD |
| RGB | rgb(153, 171, 221) |
| HSL | hsl(224, 50%, 73%) |
| OKLCH | oklch(74.5% 0.075 269.2) |
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 #99ABDD | 2.27:1 | Fails | Lc -49.7 | Large or bold text, headings |
| Black text on #99ABDD | 9.22:1 | AAA | Lc 59.1 | Large or bold text, headings |
| #99ABDD text on white | 2.27:1 | Fails | Lc 44.9 | Non-text elements, placeholder text |
| #99ABDD text on black | 9.22:1 | AAA | Lc -57.2 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D2D9EB
oklch(88.5% 0.026 268.8)
-
Step 300
300
#B4C0E0
oklch(80.9% 0.047 269.1)
-
Step 400
400 (this color)
#99ABDD
oklch(74.5% 0.075 269.2)
-
Step 500
500
#7287C4
oklch(63.2% 0.095 269.1)
-
Step 600
600
#5A70B1
oklch(55.7% 0.105 268.7)
-
Step 700
700
#4A5D98
oklch(49.1% 0.098 269.1)
-
Step 800
800
#3D4C7B
oklch(42.6% 0.081 269.4)
-
Step 900
900
#344063
oklch(37.8% 0.062 268.9)
-
Step 950
950
#1E253A
oklch(26.8% 0.041 269.5)
#99ABDD 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) | #9BAFDF | 0.011 |
| Deuteranopia (no green cones) | #95A9DC | 0.008 |
| Tritanopia (no blue cones) | #86B5BC | 0.068 |
| Achromatopsia (no color) | #ACACAC | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99ABDD
#99ABDD
oklch(74.5% 0.075 269.2)
- #C0AB75
#C0AB75
oklch(74.7% 0.076 89.1)
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 #99ABDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.052
- Light Grey Blue #9DBCD4 ΔE 0.053
- Cool Steel #97A7B3 ΔE 0.060
- Light Cornflower Blue #98C1D9 ΔE 0.062
- Pastel Blue #A2BFFE ΔE 0.064
- French Gray #ADB5BD ΔE 0.066
- Bluegrey #85A3B2 ΔE 0.070
- Bluey Grey #89A0B0 ΔE 0.071
Use #99ABDD 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.