#979CBB
Closest named color: Cool Gray (#8D99AE). oklch(69.9% 0.046 277.9), rgb(151, 156, 187).
Aa
Black text reads best on this color (7.78:1).
About this color
#979CBB is a medium-light, muted blue. In OKLCH its lightness is 70%, its chroma 0.046 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.025 away. Black text reads best on it, at 7.78:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.78:1 |
| White text | 2.69:1 |
Values
| HEX | #979CBB |
| RGB | rgb(151, 156, 187) |
| HSL | hsl(232, 21%, 66%) |
| OKLCH | oklch(69.9% 0.046 277.9) |
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 #979CBB | 2.69:1 | Fails | Lc -57.5 | Large or bold text, headings |
| Black text on #979CBB | 7.78:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #979CBB text on white | 2.69:1 | Fails | Lc 52.3 | Large or bold text, headings |
| #979CBB 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9EF
oklch(93.5% 0.008 278.6)
-
Step 200
200
#D6D8E4
oklch(88.4% 0.017 278.5)
-
Step 300
300
#BCBFD3
oklch(80.9% 0.028 279)
-
Step 400
400 (this color)
#979CBB
oklch(69.9% 0.046 277.9)
-
Step 500
500
#8186AD
oklch(63% 0.059 278.9)
-
Step 600
600
#6A7099
oklch(55.6% 0.064 277.7)
-
Step 700
700
#595E82
oklch(49.2% 0.058 277.9)
-
Step 800
800
#484D6A
oklch(42.8% 0.049 276.6)
-
Step 900
900
#3D4056
oklch(37.8% 0.038 278.4)
-
Step 950
950
#232532
oklch(26.8% 0.024 277.8)
#979CBB 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) | #949FBC | 0.008 |
| Deuteranopia (no green cones) | #929CBA | 0.007 |
| Tritanopia (no blue cones) | #8FA1A6 | 0.040 |
| Achromatopsia (no color) | #9D9D9D | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #979CBB
#979CBB
oklch(69.9% 0.046 277.9)
- #A59F7F
#A59F7F
oklch(69.9% 0.045 98.6)
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 #979CBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.025
- Bluey Grey #89A0B0 ΔE 0.030
- Bluegrey #85A3B2 ΔE 0.035
- Cool Steel #97A7B3 ΔE 0.036
- Cool Grey #95A3A6 ΔE 0.042
- Greyblue #77A1B5 ΔE 0.044
- Dark Gray #A9A9A9 ΔE 0.058
- Pewter #96A8A1 ΔE 0.059
Use #979CBB 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.