#909FB2
Closest named color: Bluey Grey (#89A0B0). oklch(69.7% 0.033 254.4), rgb(144, 159, 178).
Aa
Black text reads best on this color (7.78:1).
About this color
#909FB2 is a medium-light, muted blue. In OKLCH its lightness is 70%, its chroma 0.033 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Grey (#89A0B0), ΔE 0.010 away. Black text reads best on it, at 7.78:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Bluey Grey (#89A0B0) |
| Black text | 7.78:1 |
| White text | 2.69:1 |
Values
| HEX | #909FB2 |
| RGB | rgb(144, 159, 178) |
| HSL | hsl(214, 18%, 63%) |
| OKLCH | oklch(69.7% 0.033 254.4) |
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 #909FB2 | 2.69:1 | Fails | Lc -57.5 | Large or bold text, headings |
| Black text on #909FB2 | 7.78:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #909FB2 text on white | 2.69:1 | Fails | Lc 52.3 | Large or bold text, headings |
| #909FB2 text on black | 7.78:1 | AAA | Lc -49.5 | 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 400.
-
Step 50
50
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4DAE1
oklch(88.6% 0.012 252.1)
-
Step 300
300
#B8C2CE
oklch(81% 0.02 252.9)
-
Step 400
400 (this color)
#909FB2
oklch(69.7% 0.033 254.4)
-
Step 500
500
#788BA3
oklch(63% 0.042 254.4)
-
Step 600
600
#61758E
oklch(55.6% 0.046 254.2)
-
Step 700
700
#506279
oklch(49% 0.043 254.7)
-
Step 800
800
#425062
oklch(42.6% 0.035 254.9)
-
Step 900
900
#384350
oklch(37.8% 0.027 252.8)
-
Step 950
950
#21272F
oklch(27% 0.017 255.7)
#909FB2 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) | #989FB3 | 0.011 |
| Deuteranopia (no green cones) | #959CB2 | 0.010 |
| Tritanopia (no blue cones) | #87A3A5 | 0.028 |
| Achromatopsia (no color) | #9D9D9D | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #909FB2
#909FB2
oklch(69.7% 0.033 254.4)
- #AA9B88
#AA9B88
oklch(69.7% 0.032 73.7)
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 #909FB2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Grey #89A0B0 ΔE 0.010
- Bluegrey #85A3B2 ΔE 0.017
- Cool Gray #8D99AE ΔE 0.017
- Cool Grey #95A3A6 ΔE 0.025
- Cool Steel #97A7B3 ΔE 0.025
- Greyblue #77A1B5 ΔE 0.031
- Pewter #96A8A1 ΔE 0.042
- Dark Gray #A9A9A9 ΔE 0.050
Use #909FB2 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.