#99BCD2
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.7% 0.049 235.9), rgb(153, 188, 210).
Aa
Black text reads best on this color (10.47:1).
About this color
#99BCD2 is a medium-light, muted blue. In OKLCH its lightness is 78%, its chroma 0.049 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.006 away. Black text reads best on it, at 10.47:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.47:1 |
| White text | 2.00:1 |
Values
| HEX | #99BCD2 |
| RGB | rgb(153, 188, 210) |
| HSL | hsl(203, 39%, 71%) |
| OKLCH | oklch(77.7% 0.049 235.9) |
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 #99BCD2 | 2.00:1 | Fails | Lc -43.3 | Non-text elements, placeholder text |
| Black text on #99BCD2 | 10.47:1 | AAA | Lc 65.1 | Content text, not long reading |
| #99BCD2 text on white | 2.00:1 | Fails | Lc 38.8 | Non-text elements, placeholder text |
| #99BCD2 text on black | 10.47:1 | AAA | Lc -63.5 | 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
#C9DCE9
oklch(88.4% 0.027 237.6)
-
Step 300
300 (this color)
#99BCD2
oklch(77.7% 0.049 235.9)
-
Step 400
400
#6FA9CB
oklch(70.8% 0.078 235.2)
-
Step 500
500
#4593BE
oklch(63.2% 0.1 235.6)
-
Step 600
600
#1E7CAA
oklch(55.6% 0.109 235.8)
-
Step 700
700
#0C6892
oklch(49% 0.102 236.1)
-
Step 800
800
#115577
oklch(42.6% 0.085 236.5)
-
Step 900
900
#184760
oklch(37.8% 0.066 235.7)
-
Step 950
950
#102938
oklch(26.9% 0.042 237.4)
#99BCD2 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) | #B2BBD3 | 0.032 |
| Deuteranopia (no green cones) | #AAB4D2 | 0.029 |
| Tritanopia (no blue cones) | #88C2C3 | 0.037 |
| Achromatopsia (no color) | #B7B7B7 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BCD2
#99BCD2
oklch(77.7% 0.049 235.9)
- #D0AF99
#D0AF99
oklch(77.7% 0.049 55.6)
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 #99BCD2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.006
- Light Cornflower Blue #98C1D9 ΔE 0.014
- Cloudy Blue #ACC2D9 ΔE 0.031
- French Gray #ADB5BD ΔE 0.036
- Light Steel Blue #B0C4DE ΔE 0.040
- Sky Blue #87CEEB ΔE 0.051
- Lightblue #7BC8F6 ΔE 0.056
- Light Blue Grey #B7C9E2 ΔE 0.056
Use #99BCD2 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.