#979FBB
Closest named color: Bluey Grey (#89A0B0). oklch(70.6% 0.042 272.7), rgb(151, 159, 187).
Aa
Black text reads best on this color (7.99:1).
About this color
#979FBB is a medium-light, muted blue. In OKLCH its lightness is 71%, its chroma 0.042 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Grey (#89A0B0), ΔE 0.027 away. Black text reads best on it, at 7.99:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Bluey Grey (#89A0B0) |
| Black text | 7.99:1 |
| White text | 2.62:1 |
Values
| HEX | #979FBB |
| RGB | rgb(151, 159, 187) |
| HSL | hsl(227, 21%, 66%) |
| OKLCH | oklch(70.6% 0.042 272.7) |
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 #979FBB | 2.62:1 | Fails | Lc -56.4 | Large or bold text, headings |
| Black text on #979FBB | 7.99:1 | AAA | Lc 52.8 | Large or bold text, headings |
| #979FBB text on white | 2.62:1 | Fails | Lc 51.2 | Large or bold text, headings |
| #979FBB text on black | 7.99:1 | AAA | Lc -50.7 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D6D9E3
oklch(88.6% 0.014 272.7)
-
Step 300
300
#BBC0D2
oklch(80.9% 0.026 273.4)
-
Step 400
400 (this color)
#979FBB
oklch(70.6% 0.042 272.7)
-
Step 500
500
#7E88AB
oklch(63.1% 0.054 272.3)
-
Step 600
600
#687196
oklch(55.5% 0.059 273.8)
-
Step 700
700
#565F80
oklch(49.1% 0.054 272.5)
-
Step 800
800
#464E68
oklch(42.8% 0.045 271.2)
-
Step 900
900
#3B4154
oklch(37.8% 0.034 271.1)
-
Step 950
950
#232631
oklch(27% 0.021 273)
#979FBB 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) | #97A1BC | 0.005 |
| Deuteranopia (no green cones) | #959EBA | 0.004 |
| Tritanopia (no blue cones) | #8FA4A8 | 0.037 |
| Achromatopsia (no color) | #A0A0A0 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #979FBB
#979FBB
oklch(70.6% 0.042 272.7)
- #A9A083
#A9A083
oklch(70.6% 0.042 92.8)
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 #979FBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Grey #89A0B0 ΔE 0.027
- Cool Gray #8D99AE ΔE 0.027
- Cool Steel #97A7B3 ΔE 0.028
- Bluegrey #85A3B2 ΔE 0.031
- Cool Grey #95A3A6 ΔE 0.037
- Greyblue #77A1B5 ΔE 0.043
- Dark Gray #A9A9A9 ΔE 0.051
- Pewter #96A8A1 ΔE 0.053
Use #979FBB 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.