#99B2DD
Closest named color: Light Grey Blue (#9DBCD4). oklch(76% 0.068 261.2), rgb(153, 178, 221).
Aa
Black text reads best on this color (9.76:1).
About this color
#99B2DD is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.068 and its hue 261°. 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 9.76:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.76:1 |
| White text | 2.15:1 |
Values
| HEX | #99B2DD |
| RGB | rgb(153, 178, 221) |
| HSL | hsl(218, 50%, 73%) |
| OKLCH | oklch(76% 0.068 261.2) |
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 #99B2DD | 2.15:1 | Fails | Lc -46.9 | Large or bold text, headings |
| Black text on #99B2DD | 9.76:1 | AAA | Lc 61.7 | Content text, not long reading |
| #99B2DD text on white | 2.15:1 | Fails | Lc 42.2 | Non-text elements, placeholder text |
| #99B2DD text on black | 9.76:1 | AAA | Lc -60.0 | 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
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CBDAF3
oklch(88.5% 0.038 260.7)
-
Step 300
300 (this color)
#99B2DD
oklch(76% 0.068 261.2)
-
Step 400
400
#7AA1E5
oklch(70.8% 0.109 261.1)
-
Step 500
500
#5888DD
oklch(63.2% 0.139 261.1)
-
Step 600
600
#3D70CA
oklch(55.6% 0.15 260.8)
-
Step 700
700
#305DAF
oklch(49.1% 0.14 261.2)
-
Step 800
800
#284C8E
oklch(42.7% 0.117 261.4)
-
Step 900
900
#254071
oklch(37.7% 0.09 261.4)
-
Step 950
950
#162642
oklch(27% 0.057 260.9)
#99B2DD 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) | #A4B4DF | 0.016 |
| Deuteranopia (no green cones) | #9DAEDC | 0.011 |
| Tritanopia (no blue cones) | #86BBC0 | 0.061 |
| Achromatopsia (no color) | #B1B1B1 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99B2DD
#99B2DD
oklch(76% 0.068 261.2)
- #C7AD80
#C7AD80
oklch(75.9% 0.067 81)
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 #99B2DD, 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 0.043
- Carolina Blue #8AB8FE ΔE 0.048
- Cloudy Blue #ACC2D9 ΔE 0.054
- Pastel Blue #A2BFFE ΔE 0.054
- French Gray #ADB5BD ΔE 0.055
- Light Steel Blue #B0C4DE ΔE 0.060
- Cool Steel #97A7B3 ΔE 0.061
Use #99B2DD 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.