#9BB4DD
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.5% 0.065 260.2), rgb(155, 180, 221).
Aa
Black text reads best on this color (9.96:1).
About this color
#9BB4DD is a medium-light, muted blue. In OKLCH its lightness is 77%, its chroma 0.065 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.029 away. Black text reads best on it, at 9.96:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.96:1 |
| White text | 2.10:1 |
Values
| HEX | #9BB4DD |
| RGB | rgb(155, 180, 221) |
| HSL | hsl(217, 49%, 74%) |
| OKLCH | oklch(76.5% 0.065 260.2) |
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 #9BB4DD | 2.10:1 | Fails | Lc -45.9 | Large or bold text, headings |
| Black text on #9BB4DD | 9.96:1 | AAA | Lc 62.7 | Content text, not long reading |
| #9BB4DD text on white | 2.10:1 | Fails | Lc 41.2 | Non-text elements, placeholder text |
| #9BB4DD text on black | 9.96:1 | AAA | Lc -61.0 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CCDAF2
oklch(88.5% 0.036 261.3)
-
Step 300
300 (this color)
#9BB4DD
oklch(76.5% 0.065 260.2)
-
Step 400
400
#7AA1E2
oklch(70.7% 0.105 260.3)
-
Step 500
500
#5888D9
oklch(63% 0.133 260.3)
-
Step 600
600
#3E71C7
oklch(55.7% 0.145 260.2)
-
Step 700
700
#305EAC
oklch(49.1% 0.135 260.3)
-
Step 800
800
#284D8B
oklch(42.7% 0.111 260.1)
-
Step 900
900
#25416F
oklch(37.8% 0.086 259.8)
-
Step 950
950
#162641
oklch(27% 0.055 260.3)
#9BB4DD 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) | #A6B6DF | 0.016 |
| Deuteranopia (no green cones) | #9FB0DC | 0.011 |
| Tritanopia (no blue cones) | #88BCC2 | 0.057 |
| Achromatopsia (no color) | #B3B3B3 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9BB4DD
#9BB4DD
oklch(76.5% 0.065 260.2)
- #C9AF84
#C9AF84
oklch(76.6% 0.065 80)
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 #9BB4DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.029
- Light Cornflower Blue #98C1D9 ΔE 0.038
- Cloudy Blue #ACC2D9 ΔE 0.048
- Carolina Blue #8AB8FE ΔE 0.048
- Pastel Blue #A2BFFE ΔE 0.051
- French Gray #ADB5BD ΔE 0.051
- Light Steel Blue #B0C4DE ΔE 0.053
- Lightblue #7BC8F6 ΔE 0.060
Use #9BB4DD 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.