#99B2DE
Closest named color: Light Grey Blue (#9DBCD4). oklch(76% 0.069 261.6), rgb(153, 178, 222).
Aa
Black text reads best on this color (9.77:1).
About this color
#99B2DE is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.069 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.035 away. Black text reads best on it, at 9.77:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.77:1 |
| White text | 2.14:1 |
Values
| HEX | #99B2DE |
| RGB | rgb(153, 178, 222) |
| HSL | hsl(218, 51%, 74%) |
| OKLCH | oklch(76% 0.069 261.6) |
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 #99B2DE | 2.14:1 | Fails | Lc -46.8 | Large or bold text, headings |
| Black text on #99B2DE | 9.77:1 | AAA | Lc 61.8 | Content text, not long reading |
| #99B2DE text on white | 2.14:1 | Fails | Lc 42.2 | Non-text elements, placeholder text |
| #99B2DE text on black | 9.77:1 | AAA | Lc -60.1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CBDAF3
oklch(88.5% 0.038 260.7)
-
Step 300
300 (this color)
#99B2DE
oklch(76% 0.069 261.6)
-
Step 400
400
#7AA0E6
oklch(70.6% 0.111 262.1)
-
Step 500
500
#5887DE
oklch(63% 0.141 261.7)
-
Step 600
600
#3D6FCC
oklch(55.6% 0.154 261.5)
-
Step 700
700
#305CB1
oklch(49.1% 0.144 262)
-
Step 800
800
#284C8F
oklch(42.7% 0.119 261.5)
-
Step 900
900
#254072
oklch(37.7% 0.092 261.6)
-
Step 950
950
#162643
oklch(27.1% 0.058 261.5)
#99B2DE 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) | #A3B4E0 | 0.015 |
| Deuteranopia (no green cones) | #9CAEDD | 0.011 |
| Tritanopia (no blue cones) | #85BBC1 | 0.061 |
| Achromatopsia (no color) | #B1B1B1 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99B2DE
#99B2DE
oklch(76% 0.069 261.6)
- #C8AD7F
#C8AD7F
oklch(76% 0.069 80.6)
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 #99B2DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.044
- Carolina Blue #8AB8FE ΔE 0.046
- Pastel Blue #A2BFFE ΔE 0.053
- Cloudy Blue #ACC2D9 ΔE 0.054
- French Gray #ADB5BD ΔE 0.056
- Light Steel Blue #B0C4DE ΔE 0.060
- Cool Steel #97A7B3 ΔE 0.062
Use #99B2DE 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.