#909ABE
Closest named color: Cool Gray (#8D99AE). oklch(69.1% 0.054 272.8), rgb(144, 154, 190).
Aa
Black text reads best on this color (7.55:1).
About this color
#909ABE is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.054 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.024 away. Black text reads best on it, at 7.55:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.55:1 |
| White text | 2.78:1 |
Values
| HEX | #909ABE |
| RGB | rgb(144, 154, 190) |
| HSL | hsl(227, 26%, 65%) |
| OKLCH | oklch(69.1% 0.054 272.8) |
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 #909ABE | 2.78:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #909ABE | 7.55:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #909ABE text on white | 2.78:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #909ABE text on black | 7.55:1 | AAA | Lc -48.2 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D5D9E6
oklch(88.6% 0.018 272.3)
-
Step 300
300
#B9C0D7
oklch(81% 0.033 272.2)
-
Step 400
400 (this color)
#909ABE
oklch(69.1% 0.054 272.8)
-
Step 500
500
#7B87B4
oklch(63.1% 0.069 272.7)
-
Step 600
600
#6470A0
oklch(55.5% 0.076 272.9)
-
Step 700
700
#535E89
oklch(49.1% 0.07 272.6)
-
Step 800
800
#444D6F
oklch(42.7% 0.058 272.4)
-
Step 900
900
#39405A
oklch(37.7% 0.046 272.4)
-
Step 950
950
#222635
oklch(27.2% 0.029 272.8)
#909ABE 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) | #909DC0 | 0.008 |
| Deuteranopia (no green cones) | #8C99BD | 0.006 |
| Tritanopia (no blue cones) | #85A1A6 | 0.049 |
| Achromatopsia (no color) | #9B9B9B | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #909ABE
#909ABE
oklch(69.1% 0.054 272.8)
- #A79B75
#A79B75
oklch(69% 0.054 92.6)
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 #909ABE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.024
- Bluey Grey #89A0B0 ΔE 0.032
- Bluegrey #85A3B2 ΔE 0.038
- Greyblue #77A1B5 ΔE 0.041
- Cool Steel #97A7B3 ΔE 0.046
- Cool Grey #95A3A6 ΔE 0.050
- Silver Lake Blue #778DA9 ΔE 0.057
- Heather #A484AC ΔE 0.061
Use #909ABE 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.