#99B2CF
Closest named color: Light Grey Blue (#9DBCD4). oklch(75.5% 0.05 252.3), rgb(153, 178, 207).
Aa
Black text reads best on this color (9.62:1).
About this color
#99B2CF is a medium-light, muted blue. In OKLCH its lightness is 75%, its chroma 0.050 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.027 away. Black text reads best on it, at 9.62:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.62:1 |
| White text | 2.18:1 |
Values
| HEX | #99B2CF |
| RGB | rgb(153, 178, 207) |
| HSL | hsl(212, 36%, 71%) |
| OKLCH | oklch(75.5% 0.05 252.3) |
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 #99B2CF | 2.18:1 | Fails | Lc -47.6 | Large or bold text, headings |
| Black text on #99B2CF | 9.62:1 | AAA | Lc 61.0 | Content text, not long reading |
| #99B2CF text on white | 2.18:1 | Fails | Lc 42.9 | Non-text elements, placeholder text |
| #99B2CF text on black | 9.62:1 | AAA | Lc -59.3 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D1DAE5
oklch(88.5% 0.018 253.4)
-
Step 300
300
#B3C2D5
oklch(80.9% 0.032 254.3)
-
Step 400
400 (this color)
#99B2CF
oklch(75.5% 0.05 252.3)
-
Step 500
500
#6D8CB0
oklch(63% 0.065 252.6)
-
Step 600
600
#55769B
oklch(55.6% 0.069 251.9)
-
Step 700
700
#456385
oklch(49.1% 0.065 252.2)
-
Step 800
800
#39516C
oklch(42.7% 0.054 252)
-
Step 900
900
#314357
oklch(37.6% 0.041 251.6)
-
Step 950
950
#1D2733
oklch(26.9% 0.027 253.3)
#99B2CF 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) | #A8B3D0 | 0.020 |
| Deuteranopia (no green cones) | #A1ADCE | 0.016 |
| Tritanopia (no blue cones) | #8AB8BB | 0.043 |
| Achromatopsia (no color) | #AFAFAF | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99B2CF
#99B2CF
oklch(75.5% 0.05 252.3)
- #C4AB8D
#C4AB8D
oklch(75.5% 0.05 72)
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 #99B2CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.027
- French Gray #ADB5BD ΔE 0.039
- Light Cornflower Blue #98C1D9 ΔE 0.039
- Cool Steel #97A7B3 ΔE 0.044
- Cloudy Blue #ACC2D9 ΔE 0.051
- Dark Gray #A9A9A9 ΔE 0.054
- Light Steel Blue #B0C4DE ΔE 0.060
- Bluegrey #85A3B2 ΔE 0.060
Use #99B2CF 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.