#99BFDE
Closest named color: Light Cornflower Blue (#98C1D9). oklch(78.8% 0.06 243.2), rgb(153, 191, 222).
Aa
Black text reads best on this color (10.86:1).
About this color
#99BFDE is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.060 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.011 away. Black text reads best on it, at 10.86:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.86:1 |
| White text | 1.93:1 |
Values
| HEX | #99BFDE |
| RGB | rgb(153, 191, 222) |
| HSL | hsl(207, 51%, 74%) |
| OKLCH | oklch(78.8% 0.06 243.2) |
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 #99BFDE | 1.93:1 | Fails | Lc -41.4 | Non-text elements, placeholder text |
| Black text on #99BFDE | 10.86:1 | AAA | Lc 66.9 | Content text, not long reading |
| #99BFDE text on white | 1.93:1 | Fails | Lc 37.0 | Non-text elements, placeholder text |
| #99BFDE text on black | 10.86:1 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C7DCEE
oklch(88.4% 0.034 244)
-
Step 300
300 (this color)
#99BFDE
oklch(78.8% 0.06 243.2)
-
Step 400
400
#69A8D8
oklch(70.8% 0.096 242.6)
-
Step 500
500
#3B91CE
oklch(63.2% 0.123 243.2)
-
Step 600
600
#047ABB
oklch(55.7% 0.134 243.1)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800
#015482
oklch(42.8% 0.102 242.6)
-
Step 900
900
#114569
oklch(37.6% 0.081 243.9)
-
Step 950
950
#0D293D
oklch(27% 0.05 242.9)
#99BFDE 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) | #B2BFE0 | 0.032 |
| Deuteranopia (no green cones) | #A9B7DD | 0.027 |
| Tritanopia (no blue cones) | #84C6C9 | 0.048 |
| Achromatopsia (no color) | #BABABA | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BFDE
#99BFDE
oklch(78.8% 0.06 243.2)
- #D6B292
#D6B292
oklch(78.7% 0.06 63.4)
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 #99BFDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.011
- Light Grey Blue #9DBCD4 ΔE 0.014
- Cloudy Blue #ACC2D9 ΔE 0.027
- Light Steel Blue #B0C4DE ΔE 0.033
- Sky Blue #87CEEB ΔE 0.041
- Lightblue #7BC8F6 ΔE 0.043
- Sky #82CAFC ΔE 0.047
- Light Sky Blue #87CEFA ΔE 0.048
Use #99BFDE 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.