#99BFDD
Closest named color: Light Cornflower Blue (#98C1D9). oklch(78.7% 0.059 242.3), rgb(153, 191, 221).
Aa
Black text reads best on this color (10.85:1).
About this color
#99BFDD is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.059 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.009 away. Black text reads best on it, at 10.85:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.85:1 |
| White text | 1.93:1 |
Values
| HEX | #99BFDD |
| RGB | rgb(153, 191, 221) |
| HSL | hsl(206, 50%, 73%) |
| OKLCH | oklch(78.7% 0.059 242.3) |
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 #99BFDD | 1.93:1 | Fails | Lc -41.4 | Non-text elements, placeholder text |
| Black text on #99BFDD | 10.85:1 | AAA | Lc 66.8 | Content text, not long reading |
| #99BFDD text on white | 1.93:1 | Fails | Lc 37.1 | Non-text elements, placeholder text |
| #99BFDD text on black | 10.85:1 | AAA | Lc -65.4 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C7DCED
oklch(88.4% 0.033 242.4)
-
Step 300
300 (this color)
#99BFDD
oklch(78.7% 0.059 242.3)
-
Step 400
400
#69A8D7
oklch(70.8% 0.095 242.1)
-
Step 500
500
#3B91CC
oklch(63.1% 0.121 242.3)
-
Step 600
600
#047AB9
oklch(55.6% 0.132 242.3)
-
Step 700
700
#00679D
oklch(49.2% 0.117 242)
-
Step 800
800
#015481
oklch(42.7% 0.101 242)
-
Step 900
900
#114668
oklch(37.8% 0.079 242.1)
-
Step 950
950
#0D293D
oklch(27% 0.05 242.9)
#99BFDD 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) | #B3BEDF | 0.033 |
| Deuteranopia (no green cones) | #AAB7DC | 0.028 |
| Tritanopia (no blue cones) | #84C6C9 | 0.047 |
| Achromatopsia (no color) | #BABABA | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BFDD
#99BFDD
oklch(78.7% 0.059 242.3)
- #D6B293
#D6B293
oklch(78.8% 0.059 62.5)
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 #99BFDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.009
- Light Grey Blue #9DBCD4 ΔE 0.013
- Cloudy Blue #ACC2D9 ΔE 0.026
- Light Steel Blue #B0C4DE ΔE 0.033
- Sky Blue #87CEEB ΔE 0.041
- Lightblue #7BC8F6 ΔE 0.044
- Sky #82CAFC ΔE 0.048
- French Gray #ADB5BD ΔE 0.048
Use #99BFDD 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.