#9BB9DB
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.5% 0.059 251.8), rgb(155, 185, 219).
Aa
Black text reads best on this color (10.35:1).
About this color
#9BB9DB is a medium-light, muted blue. In OKLCH its lightness is 78%, its chroma 0.059 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.015 away. Black text reads best on it, at 10.35:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.35:1 |
| White text | 2.02:1 |
Values
| HEX | #9BB9DB |
| RGB | rgb(155, 185, 219) |
| HSL | hsl(212, 47%, 73%) |
| OKLCH | oklch(77.5% 0.059 251.8) |
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 #9BB9DB | 2.02:1 | Fails | Lc -43.9 | Non-text elements, placeholder text |
| Black text on #9BB9DB | 10.35:1 | AAA | Lc 64.5 | Content text, not long reading |
| #9BB9DB text on white | 2.02:1 | Fails | Lc 39.4 | Non-text elements, placeholder text |
| #9BB9DB text on black | 10.35:1 | AAA | Lc -62.9 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEF
oklch(88.5% 0.033 252.5)
-
Step 300
300 (this color)
#9BB9DB
oklch(77.5% 0.059 251.8)
-
Step 400
400
#74A4DA
oklch(70.6% 0.095 252.1)
-
Step 500
500
#4F8DD0
oklch(63.2% 0.12 251.9)
-
Step 600
600
#3076BD
oklch(55.7% 0.131 251.6)
-
Step 700
700
#2263A3
oklch(49.2% 0.121 251.5)
-
Step 800
800
#1E5184
oklch(42.8% 0.101 251.4)
-
Step 900
900
#1F436A
oklch(37.7% 0.079 252.3)
-
Step 950
950
#13283E
oklch(27.1% 0.049 251.1)
#9BB9DB 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) | #ADBADD | 0.024 |
| Deuteranopia (no green cones) | #A5B3DA | 0.019 |
| Tritanopia (no blue cones) | #88C1C4 | 0.051 |
| Achromatopsia (no color) | #B6B6B6 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9BB9DB
#9BB9DB
oklch(77.5% 0.059 251.8)
- #CEB08D
#CEB08D
oklch(77.5% 0.059 71.1)
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 #9BB9DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.015
- Light Cornflower Blue #98C1D9 ΔE 0.023
- Cloudy Blue #ACC2D9 ΔE 0.035
- Light Steel Blue #B0C4DE ΔE 0.042
- French Gray #ADB5BD ΔE 0.045
- Pastel Blue #A2BFFE ΔE 0.051
- Lightblue #7BC8F6 ΔE 0.053
- Carolina Blue #8AB8FE ΔE 0.054
Use #9BB9DB 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.