#99B2DA
Closest named color: Light Grey Blue (#9DBCD4). oklch(75.9% 0.064 259.7), rgb(153, 178, 218).
Aa
Black text reads best on this color (9.73:1).
About this color
#99B2DA is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.064 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.032 away. Black text reads best on it, at 9.73:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.73:1 |
| White text | 2.15:1 |
Values
| HEX | #99B2DA |
| RGB | rgb(153, 178, 218) |
| HSL | hsl(217, 47%, 73%) |
| OKLCH | oklch(75.9% 0.064 259.7) |
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 #99B2DA | 2.15:1 | Fails | Lc -47.1 | Large or bold text, headings |
| Black text on #99B2DA | 9.73:1 | AAA | Lc 61.6 | Content text, not long reading |
| #99B2DA text on white | 2.15:1 | Fails | Lc 42.4 | Non-text elements, placeholder text |
| #99B2DA text on black | 9.73:1 | AAA | Lc -59.8 | Large or bold text, headings |
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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CCDAF1
oklch(88.5% 0.035 260.4)
-
Step 300
300 (this color)
#99B2DA
oklch(75.9% 0.064 259.7)
-
Step 400
400
#7AA1E1
oklch(70.6% 0.104 260)
-
Step 500
500
#5889D8
oklch(63.1% 0.131 259.5)
-
Step 600
600
#3E71C5
oklch(55.6% 0.142 259.8)
-
Step 700
700
#305EAB
oklch(49.1% 0.133 260.1)
-
Step 800
800
#284D8A
oklch(42.6% 0.11 259.9)
-
Step 900
900
#25416E
oklch(37.7% 0.085 259.5)
-
Step 950
950
#162641
oklch(27% 0.055 260.3)
#99B2DA 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) | #A4B4DC | 0.016 |
| Deuteranopia (no green cones) | #9EAED9 | 0.012 |
| Tritanopia (no blue cones) | #87BABF | 0.056 |
| Achromatopsia (no color) | #B0B0B0 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99B2DA
#99B2DA
oklch(75.9% 0.064 259.7)
- #C6AD83
#C6AD83
oklch(75.9% 0.063 80.4)
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 #99B2DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.032
- Light Cornflower Blue #98C1D9 ΔE 0.042
- French Gray #ADB5BD ΔE 0.051
- Carolina Blue #8AB8FE ΔE 0.052
- Cloudy Blue #ACC2D9 ΔE 0.053
- Cool Steel #97A7B3 ΔE 0.057
- Pastel Blue #A2BFFE ΔE 0.057
- Light Steel Blue #B0C4DE ΔE 0.059
Use #99B2DA 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.