#7C8A99
Closest named color: Light Slate Gray (#778899). oklch(62.7% 0.028 250.1), rgb(124, 138, 153).
Aa
Black text reads best on this color (5.95:1).
About this color
#7C8A99 is a medium-light close to neutral grey. In OKLCH its lightness is 63%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Light Slate Gray (#778899), ΔE 0.009 away. Black text reads best on it, at 5.95:1.
| Hue family | Neutrals |
| Lightness | medium-light (63%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.95:1 |
| White text | 3.52:1 |
Values
| HEX | #7C8A99 |
| RGB | rgb(124, 138, 153) |
| HSL | hsl(211, 12%, 54%) |
| OKLCH | oklch(62.7% 0.028 250.1) |
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 #7C8A99 | 3.52:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #7C8A99 | 5.95:1 | AA | Lc 41.2 | Non-text elements, placeholder text |
| #7C8A99 text on white | 3.52:1 | AA large text | Lc 62.9 | Content text, not long reading |
| #7C8A99 text on black | 5.95:1 | AA | Lc -38.8 | 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
#BAC1C9
oklch(80.8% 0.014 251.6)
-
Step 400
400
#97A2AE
oklch(70.7% 0.022 250.5)
-
Step 500
500 (this color)
#7C8A99
oklch(62.7% 0.028 250.1)
-
Step 600
600
#667585
oklch(55.6% 0.031 250.1)
-
Step 700
700
#556271
oklch(49.1% 0.029 252.1)
-
Step 800
800
#46505C
oklch(42.7% 0.024 253.1)
-
Step 900
900
#3A434B
oklch(37.8% 0.018 245.1)
-
Step 950
950
#22272C
oklch(27% 0.012 248.3)
#7C8A99 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) | #858A9A | 0.013 |
| Deuteranopia (no green cones) | #818799 | 0.010 |
| Tritanopia (no blue cones) | #758D8F | 0.022 |
| Achromatopsia (no color) | #888888 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C8A99
#7C8A99
oklch(62.7% 0.028 250.1)
- #948676
#948676
oklch(62.8% 0.029 71)
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 #7C8A99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.009
- Blue Grey #758DA3 ΔE 0.016
- Steel #738595 ΔE 0.020
- Silver Lake Blue #778DA9 ΔE 0.023
- Lavender Gray #7E7F9A ΔE 0.032
- Slate Gray #708090 ΔE 0.035
- Steel Grey #6F828A ΔE 0.035
- Gray #808080 ΔE 0.039
Use #7C8A99 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.