#99BFD4
Closest named color: Light Cornflower Blue (#98C1D9). oklch(78.4% 0.051 232.4), rgb(153, 191, 212).
Aa
Black text reads best on this color (10.75:1).
About this color
#99BFD4 is a light, muted blue. In OKLCH its lightness is 78%, its chroma 0.051 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.008 away. Black text reads best on it, at 10.75:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.75:1 |
| White text | 1.95:1 |
Values
| HEX | #99BFD4 |
| RGB | rgb(153, 191, 212) |
| HSL | hsl(201, 41%, 72%) |
| OKLCH | oklch(78.4% 0.051 232.4) |
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 #99BFD4 | 1.95:1 | Fails | Lc -41.9 | Non-text elements, placeholder text |
| Black text on #99BFD4 | 10.75:1 | AAA | Lc 66.4 | Content text, not long reading |
| #99BFD4 text on white | 1.95:1 | Fails | Lc 37.5 | Non-text elements, placeholder text |
| #99BFD4 text on black | 10.75:1 | AAA | Lc -64.9 | 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)
#99BFD4
oklch(78.4% 0.051 232.4)
-
Step 400
400
#6BAACB
oklch(70.8% 0.081 232.4)
-
Step 500
500
#3D94BD
oklch(63.1% 0.103 232.2)
-
Step 600
600
#087DAA
oklch(55.5% 0.113 233)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#035676
oklch(42.6% 0.087 232.7)
-
Step 900
900
#12475F
oklch(37.6% 0.067 232.6)
-
Step 950
950
#0D2A38
oklch(27% 0.043 232.5)
#99BFD4 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) | #B5BDD5 | 0.035 |
| Deuteranopia (no green cones) | #ADB7D4 | 0.031 |
| Tritanopia (no blue cones) | #87C5C6 | 0.037 |
| Achromatopsia (no color) | #B9B9B9 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BFD4
#99BFD4
oklch(78.4% 0.051 232.4)
- #D4B09B
#D4B09B
oklch(78.4% 0.051 51.9)
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 #99BFD4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.008
- Light Grey Blue #9DBCD4 ΔE 0.009
- Cloudy Blue #ACC2D9 ΔE 0.027
- Light Steel Blue #B0C4DE ΔE 0.036
- French Gray #ADB5BD ΔE 0.040
- Sky Blue #87CEEB ΔE 0.045
- Light Blue Grey #B7C9E2 ΔE 0.051
- Lightblue #7BC8F6 ΔE 0.053
Use #99BFD4 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.