#99BDD2
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.9% 0.049 233.8), rgb(153, 189, 210).
Aa
Black text reads best on this color (10.56:1).
About this color
#99BDD2 is a medium-light, muted blue. In OKLCH its lightness is 78%, its chroma 0.049 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.007 away. Black text reads best on it, at 10.56:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.56:1 |
| White text | 1.98:1 |
Values
| HEX | #99BDD2 |
| RGB | rgb(153, 189, 210) |
| HSL | hsl(202, 39%, 71%) |
| OKLCH | oklch(77.9% 0.049 233.8) |
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 #99BDD2 | 1.98:1 | Fails | Lc -42.9 | Non-text elements, placeholder text |
| Black text on #99BDD2 | 10.56:1 | AAA | Lc 65.5 | Content text, not long reading |
| #99BDD2 text on white | 1.98:1 | Fails | Lc 38.4 | Non-text elements, placeholder text |
| #99BDD2 text on black | 10.56:1 | AAA | Lc -64.0 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C8DDE9
oklch(88.6% 0.028 232.7)
-
Step 300
300 (this color)
#99BDD2
oklch(77.9% 0.049 233.8)
-
Step 400
400
#6EA9CA
oklch(70.7% 0.078 233.9)
-
Step 500
500
#4293BD
oklch(63.1% 0.101 234.2)
-
Step 600
600
#197DA9
oklch(55.7% 0.109 233.8)
-
Step 700
700
#046991
oklch(49.1% 0.101 233.9)
-
Step 800
800
#0D5676
oklch(42.8% 0.084 233.9)
-
Step 900
900
#16475F
oklch(37.7% 0.066 233.8)
-
Step 950
950
#0F2A38
oklch(27.1% 0.042 233.9)
#99BDD2 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) | #B3BCD3 | 0.033 |
| Deuteranopia (no green cones) | #ABB5D2 | 0.030 |
| Tritanopia (no blue cones) | #88C3C4 | 0.036 |
| Achromatopsia (no color) | #B8B8B8 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BDD2
#99BDD2
oklch(77.9% 0.049 233.8)
- #D1AF9A
#D1AF9A
oklch(77.8% 0.049 53.5)
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 #99BDD2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.007
- Light Cornflower Blue #98C1D9 ΔE 0.012
- Cloudy Blue #ACC2D9 ΔE 0.030
- French Gray #ADB5BD ΔE 0.036
- Light Steel Blue #B0C4DE ΔE 0.039
- Sky Blue #87CEEB ΔE 0.049
- Light Blue Grey #B7C9E2 ΔE 0.055
- Lightblue #7BC8F6 ΔE 0.056
Use #99BDD2 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.