#7B8C9C
Closest named color: Blue Grey (#758DA3). oklch(63.2% 0.031 246.7), rgb(123, 140, 156).
Aa
Black text reads best on this color (6.07:1).
About this color
#7B8C9C is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.031 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.012 away. Black text reads best on it, at 6.07:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.07:1 |
| White text | 3.45:1 |
Values
| HEX | #7B8C9C |
| RGB | rgb(123, 140, 156) |
| HSL | hsl(209, 14%, 55%) |
| OKLCH | oklch(63.2% 0.031 246.7) |
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 #7B8C9C | 3.45:1 | AA large text | Lc -67.6 | Content text, not long reading |
| Black text on #7B8C9C | 6.07:1 | AA | Lc 41.9 | Non-text elements, placeholder text |
| #7B8C9C text on white | 3.45:1 | AA large text | Lc 62.1 | Content text, not long reading |
| #7B8C9C text on black | 6.07:1 | AA | Lc -39.6 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D5DADE
oklch(88.6% 0.008 241.7)
-
Step 300
300
#B9C2CA
oklch(80.9% 0.015 244.8)
-
Step 400
400
#95A2AF
oklch(70.6% 0.024 248.2)
-
Step 500
500 (this color)
#7B8C9C
oklch(63.2% 0.031 246.7)
-
Step 600
600
#647686
oklch(55.7% 0.033 245.3)
-
Step 700
700
#536372
oklch(49.2% 0.031 246.7)
-
Step 800
800
#44515D
oklch(42.8% 0.026 246.3)
-
Step 900
900
#39434C
oklch(37.7% 0.02 245.5)
-
Step 950
950
#21272C
oklch(26.9% 0.013 243.3)
#7B8C9C 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) | #868C9D | 0.015 |
| Deuteranopia (no green cones) | #82889C | 0.014 |
| Tritanopia (no blue cones) | #729091 | 0.026 |
| Achromatopsia (no color) | #8A8A8A | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B8C9C
#7B8C9C
oklch(63.2% 0.031 246.7)
- #978676
#978676
oklch(63.1% 0.031 65.5)
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 #7B8C9C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.012
- Light Slate Gray #778899 ΔE 0.013
- Silver Lake Blue #778DA9 ΔE 0.019
- Steel #738595 ΔE 0.024
- Lavender Gray #7E7F9A ΔE 0.036
- Slate Gray #708090 ΔE 0.039
- Steel Grey #6F828A ΔE 0.040
- Gray #808080 ΔE 0.045
Use #7B8C9C 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.