#77879D
Closest named color: Light Slate Gray (#778899). oklch(61.8% 0.038 256.4), rgb(119, 135, 157).
Aa
Black text reads best on this color (5.73:1).
About this color
#77879D is a medium-dark, muted blue. In OKLCH its lightness is 62%, its chroma 0.038 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Light Slate Gray (#778899), ΔE 0.008 away. Black text reads best on it, at 5.73:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.73:1 |
| White text | 3.66:1 |
Values
| HEX | #77879D |
| RGB | rgb(119, 135, 157) |
| HSL | hsl(215, 16%, 54%) |
| OKLCH | oklch(61.8% 0.038 256.4) |
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 #77879D | 3.66:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #77879D | 5.73:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #77879D text on white | 3.66:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #77879D text on black | 5.73:1 | AA | Lc -37.5 | 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 500.
-
Step 50
50
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D5D9E0
oklch(88.4% 0.011 261.8)
-
Step 300
300
#B9C1CD
oklch(80.8% 0.019 258.4)
-
Step 400
400
#95A2B4
oklch(70.8% 0.03 256.5)
-
Step 500
500 (this color)
#77879D
oklch(61.8% 0.038 256.4)
-
Step 600
600
#64758C
oklch(55.7% 0.041 256)
-
Step 700
700
#536277
oklch(49.2% 0.039 256.8)
-
Step 800
800
#445061
oklch(42.8% 0.032 257.1)
-
Step 900
900
#39424F
oklch(37.6% 0.025 257.5)
-
Step 950
950
#21272E
oklch(27% 0.016 252.4)
#77879D 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) | #7F889E | 0.012 |
| Deuteranopia (no green cones) | #7B849D | 0.010 |
| Tritanopia (no blue cones) | #6D8C8E | 0.034 |
| Achromatopsia (no color) | #868686 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77879D
#77879D
oklch(61.8% 0.038 256.4)
- #93836C
#93836C
oklch(61.8% 0.039 76.8)
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 #77879D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.008
- Steel #738595 ΔE 0.014
- Blue Grey #758DA3 ΔE 0.017
- Silver Lake Blue #778DA9 ΔE 0.021
- Lavender Gray #7E7F9A ΔE 0.023
- Slate Gray #708090 ΔE 0.027
- Steel Grey #6F828A ΔE 0.032
- Dusty Blue #5A86AD ΔE 0.042
Use #77879D 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.