#7F8B99
Closest named color: Light Slate Gray (#778899). oklch(63.2% 0.025 252.3), rgb(127, 139, 153).
Aa
Black text reads best on this color (6.05:1).
About this color
#7F8B99 is a medium-light close to neutral grey. In OKLCH its lightness is 63%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Light Slate Gray (#778899), ΔE 0.015 away. Black text reads best on it, at 6.05:1.
| Hue family | Neutrals |
| Lightness | medium-light (63%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 6.05:1 |
| White text | 3.46:1 |
Values
| HEX | #7F8B99 |
| RGB | rgb(127, 139, 153) |
| HSL | hsl(212, 11%, 55%) |
| OKLCH | oklch(63.2% 0.025 252.3) |
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 #7F8B99 | 3.46:1 | AA large text | Lc -67.7 | Content text, not long reading |
| Black text on #7F8B99 | 6.05:1 | AA | Lc 41.8 | Non-text elements, placeholder text |
| #7F8B99 text on white | 3.46:1 | AA large text | Lc 62.2 | Content text, not long reading |
| #7F8B99 text on black | 6.05:1 | AA | Lc -39.4 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D6D9DE
oklch(88.4% 0.008 260.7)
-
Step 300
300
#BBC1C9
oklch(80.9% 0.013 255.5)
-
Step 400
400
#98A2AD
oklch(70.8% 0.02 250.7)
-
Step 500
500 (this color)
#7F8B99
oklch(63.2% 0.025 252.3)
-
Step 600
600
#687583
oklch(55.7% 0.027 250.3)
-
Step 700
700
#57626F
oklch(49.1% 0.025 252.7)
-
Step 800
800
#47505B
oklch(42.7% 0.022 253.5)
-
Step 900
900
#3B424A
oklch(37.6% 0.017 251.8)
-
Step 950
950
#23272C
oklch(27.1% 0.011 254)
#7F8B99 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) | #868B9A | 0.010 |
| Deuteranopia (no green cones) | #838899 | 0.010 |
| Tritanopia (no blue cones) | #798E8F | 0.022 |
| Achromatopsia (no color) | #8A8A8A | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F8B99
#7F8B99
oklch(63.2% 0.025 252.3)
- #938879
#938879
oklch(63.2% 0.026 75.7)
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 #7F8B99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.015
- Blue Grey #758DA3 ΔE 0.018
- Silver Lake Blue #778DA9 ΔE 0.024
- Steel #738595 ΔE 0.025
- Lavender Gray #7E7F9A ΔE 0.035
- Steel Grey #6F828A ΔE 0.039
- Slate Gray #708090 ΔE 0.040
- Gray #808080 ΔE 0.041
Use #7F8B99 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.