#777E88
Closest named color: Slate Gray (#708090). oklch(59.1% 0.017 257.2), rgb(119, 126, 136).
Aa
Black text reads best on this color (5.12:1).
About this color
#777E88 is a medium-dark close to neutral grey. In OKLCH its lightness is 59%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Slate Gray (#708090), ΔE 0.014 away. Black text reads best on it, at 5.12:1.
| Hue family | Neutrals |
| Lightness | medium-dark (59%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Slate Gray (#708090) |
| Black text | 5.12:1 |
| White text | 4.09:1 |
Values
| HEX | #777E88 |
| RGB | rgb(119, 126, 136) |
| HSL | hsl(215, 7%, 50%) |
| OKLCH | oklch(59.1% 0.017 257.2) |
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 #777E88 | 4.09:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #777E88 | 5.12:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #777E88 text on white | 4.09:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #777E88 text on black | 5.12:1 | AA | Lc -33.5 | 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 600.
-
Step 50
50
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E9EAEB
oklch(93.7% 0.002 247.8)
-
Step 200
200
#D7D9DC
oklch(88.5% 0.005 258.3)
-
Step 300
300
#BDC1C6
oklch(80.9% 0.008 253.9)
-
Step 400
400
#9CA1A9
oklch(70.7% 0.013 259.8)
-
Step 500
500
#838A93
oklch(63.1% 0.016 254.7)
-
Step 600
600 (this color)
#777E88
oklch(59.1% 0.017 257.2)
-
Step 700
700
#5B616A
oklch(49.1% 0.016 258.4)
-
Step 800
800
#4A4F56
oklch(42.6% 0.013 256.8)
-
Step 900
900
#3E4247
oklch(37.7% 0.01 254)
-
Step 950
950
#24272A
oklch(27.1% 0.007 248.1)
#777E88 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) | #7B7E89 | 0.006 |
| Deuteranopia (no green cones) | #797D88 | 0.004 |
| Tritanopia (no blue cones) | #738081 | 0.015 |
| Achromatopsia (no color) | #7D7D7D | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #777E88
#777E88
oklch(59.1% 0.017 257.2)
- #837C72
#837C72
oklch(59% 0.017 77)
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 #777E88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.014
- Steel Grey #6F828A ΔE 0.014
- Battleship Grey #6B7C85 ΔE 0.019
- Gray #808080 ΔE 0.020
- Medium Grey #7D7F7C ΔE 0.021
- Steel #738595 ΔE 0.023
- Grey Blue #647D8E ΔE 0.027
- Lavender Gray #7E7F9A ΔE 0.030
Use #777E88 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.