#99BBCF
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.4% 0.047 234), rgb(153, 187, 207).
Aa
Black text reads best on this color (10.36:1).
About this color
#99BBCF is a medium-light, muted blue. In OKLCH its lightness is 77%, its chroma 0.047 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.009 away. Black text reads best on it, at 10.36:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.36:1 |
| White text | 2.02:1 |
Values
| HEX | #99BBCF |
| RGB | rgb(153, 187, 207) |
| HSL | hsl(202, 36%, 71%) |
| OKLCH | oklch(77.4% 0.047 234) |
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 #99BBCF | 2.02:1 | Fails | Lc -43.9 | Non-text elements, placeholder text |
| Black text on #99BBCF | 10.36:1 | AAA | Lc 64.6 | Content text, not long reading |
| #99BBCF text on white | 2.02:1 | Fails | Lc 39.4 | Non-text elements, placeholder text |
| #99BBCF text on black | 10.36:1 | AAA | Lc -63.0 | Content text, not long reading |
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 300.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF2
oklch(93.7% 0.013 233.7)
-
Step 200
200
#C9DCE8
oklch(88.4% 0.026 235.4)
-
Step 300
300 (this color)
#99BBCF
oklch(77.4% 0.047 234)
-
Step 400
400
#71A9C8
oklch(70.8% 0.074 233.5)
-
Step 500
500
#4893BA
oklch(63.2% 0.095 233.7)
-
Step 600
600
#237CA6
oklch(55.5% 0.103 234.1)
-
Step 700
700
#13698F
oklch(49.2% 0.097 234)
-
Step 800
800
#155674
oklch(42.8% 0.08 233.6)
-
Step 900
900
#1A475D
oklch(37.7% 0.061 233)
-
Step 950
950
#112A37
oklch(27.2% 0.039 233.4)
#99BBCF 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) | #B2BAD0 | 0.032 |
| Deuteranopia (no green cones) | #AAB3CF | 0.029 |
| Tritanopia (no blue cones) | #89C0C1 | 0.034 |
| Achromatopsia (no color) | #B6B6B6 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BBCF
#99BBCF
oklch(77.4% 0.047 234)
- #CEAE9A
#CEAE9A
oklch(77.4% 0.047 53.8)
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 #99BBCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.009
- Light Cornflower Blue #98C1D9 ΔE 0.018
- French Gray #ADB5BD ΔE 0.033
- Cloudy Blue #ACC2D9 ΔE 0.034
- Light Steel Blue #B0C4DE ΔE 0.043
- Sky Blue #87CEEB ΔE 0.055
- Silver #C0C0C0 ΔE 0.058
- Cool Steel #97A7B3 ΔE 0.058
Use #99BBCF 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.