#7C8D9B
Closest named color: Blue Grey (#758DA3). oklch(63.5% 0.029 243), rgb(124, 141, 155).
Aa
Black text reads best on this color (6.14:1).
About this color
#7C8D9B is a medium-light close to neutral grey. In OKLCH its lightness is 63%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Blue Grey (#758DA3), ΔE 0.015 away. Black text reads best on it, at 6.14:1.
| Hue family | Neutrals |
| Lightness | medium-light (63%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.14:1 |
| White text | 3.42:1 |
Values
| HEX | #7C8D9B |
| RGB | rgb(124, 141, 155) |
| HSL | hsl(207, 13%, 55%) |
| OKLCH | oklch(63.5% 0.029 243) |
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 #7C8D9B | 3.42:1 | AA large text | Lc -67.2 | Content text, not long reading |
| Black text on #7C8D9B | 6.14:1 | AA | Lc 42.3 | Non-text elements, placeholder text |
| #7C8D9B text on white | 3.42:1 | AA large text | Lc 61.7 | Content text, not long reading |
| #7C8D9B text on black | 6.14:1 | AA | Lc -40.0 | 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
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D5DADE
oklch(88.6% 0.008 241.7)
-
Step 300
300
#B9C2C9
oklch(80.9% 0.014 241)
-
Step 400
400
#95A3AE
oklch(70.8% 0.023 241.5)
-
Step 500
500 (this color)
#7C8D9B
oklch(63.5% 0.029 243)
-
Step 600
600
#647685
oklch(55.7% 0.032 243.5)
-
Step 700
700
#536370
oklch(49.1% 0.029 242.8)
-
Step 800
800
#44515B
oklch(42.7% 0.023 241.2)
-
Step 900
900
#39434B
oklch(37.7% 0.019 242.3)
-
Step 950
950
#22272C
oklch(27% 0.012 248.3)
#7C8D9B 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) | #878D9C | 0.015 |
| Deuteranopia (no green cones) | #83899B | 0.014 |
| Tritanopia (no blue cones) | #749091 | 0.023 |
| Achromatopsia (no color) | #8B8B8B | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C8D9B
#7C8D9B
oklch(63.5% 0.029 243)
- #988779
#988779
oklch(63.5% 0.029 61.7)
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 #7C8D9B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.015
- Light Slate Gray #778899 ΔE 0.016
- Silver Lake Blue #778DA9 ΔE 0.022
- Steel #738595 ΔE 0.027
- Lavender Gray #7E7F9A ΔE 0.040
- Steel Grey #6F828A ΔE 0.041
- Slate Gray #708090 ΔE 0.042
- Gray #808080 ΔE 0.045
Use #7C8D9B 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.