#7C8B9B
Closest named color: Light Slate Gray (#778899). oklch(63% 0.03 250), rgb(124, 139, 155).
Aa
Black text reads best on this color (6.02:1).
About this color
#7C8B9B is a medium-light close to neutral grey. In OKLCH its lightness is 63%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Light Slate Gray (#778899), ΔE 0.011 away. Black text reads best on it, at 6.02:1.
| Hue family | Neutrals |
| Lightness | medium-light (63%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 6.02:1 |
| White text | 3.48:1 |
Values
| HEX | #7C8B9B |
| RGB | rgb(124, 139, 155) |
| HSL | hsl(211, 13%, 55%) |
| OKLCH | oklch(63% 0.03 250) |
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 #7C8B9B | 3.48:1 | AA large text | Lc -67.9 | Content text, not long reading |
| Black text on #7C8B9B | 6.02:1 | AA | Lc 41.6 | Non-text elements, placeholder text |
| #7C8B9B text on white | 3.48:1 | AA large text | Lc 62.4 | Content text, not long reading |
| #7C8B9B text on black | 6.02:1 | AA | Lc -39.3 | 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
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D5DADE
oklch(88.6% 0.008 241.7)
-
Step 300
300
#BAC2CA
oklch(81% 0.014 248)
-
Step 400
400
#96A2AF
oklch(70.7% 0.023 250.3)
-
Step 500
500 (this color)
#7C8B9B
oklch(63% 0.03 250)
-
Step 600
600
#657586
oklch(55.5% 0.033 250)
-
Step 700
700
#546272
oklch(49% 0.031 251.9)
-
Step 800
800
#45505C
oklch(42.6% 0.024 250.7)
-
Step 900
900
#3A434C
oklch(37.8% 0.019 248.3)
-
Step 950
950
#22272C
oklch(27% 0.012 248.3)
#7C8B9B 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) | #858B9C | 0.013 |
| Deuteranopia (no green cones) | #82889B | 0.011 |
| Tritanopia (no blue cones) | #748F90 | 0.026 |
| Achromatopsia (no color) | #898989 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C8B9B
#7C8B9B
oklch(63% 0.03 250)
- #958676
#958676
oklch(62.9% 0.03 69.1)
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 #7C8B9B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.011
- Blue Grey #758DA3 ΔE 0.014
- Silver Lake Blue #778DA9 ΔE 0.021
- Steel #738595 ΔE 0.023
- Lavender Gray #7E7F9A ΔE 0.034
- Slate Gray #708090 ΔE 0.038
- Steel Grey #6F828A ΔE 0.038
- Gray #808080 ΔE 0.042
Use #7C8B9B 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.