#77859E
Closest named color: Light Slate Gray (#778899). oklch(61.4% 0.041 262), rgb(119, 133, 158).
Aa
Black text reads best on this color (5.63:1).
About this color
#77859E is a medium-dark, muted blue. In OKLCH its lightness is 61%, its chroma 0.041 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Light Slate Gray (#778899), ΔE 0.013 away. Black text reads best on it, at 5.63:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.63:1 |
| White text | 3.72:1 |
Values
| HEX | #77859E |
| RGB | rgb(119, 133, 158) |
| HSL | hsl(218, 17%, 54%) |
| OKLCH | oklch(61.4% 0.041 262) |
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 #77859E | 3.72:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #77859E | 5.63:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #77859E text on white | 3.72:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #77859E text on black | 5.63:1 | AA | Lc -36.8 | 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
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D5D9E1
oklch(88.5% 0.012 264.5)
-
Step 300
300
#BAC1CE
oklch(80.9% 0.02 263)
-
Step 400
400
#96A1B5
oklch(70.7% 0.032 262.5)
-
Step 500
500 (this color)
#77859E
oklch(61.4% 0.041 262)
-
Step 600
600
#65748E
oklch(55.6% 0.044 261.4)
-
Step 700
700
#546179
oklch(49.1% 0.042 262.6)
-
Step 800
800
#454F62
oklch(42.6% 0.034 263.2)
-
Step 900
900
#3A4250
oklch(37.7% 0.026 261.6)
-
Step 950
950
#22272F
oklch(27.1% 0.017 259.8)
#77859E 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) | #7D869F | 0.009 |
| Deuteranopia (no green cones) | #79839D | 0.006 |
| Tritanopia (no blue cones) | #6D8A8D | 0.037 |
| Achromatopsia (no color) | #848484 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77859E
#77859E
oklch(61.4% 0.041 262)
- #918268
#918268
oklch(61.3% 0.042 81.3)
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 #77859E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.013
- Steel #738595 ΔE 0.016
- Lavender Gray #7E7F9A ΔE 0.018
- Blue Grey #758DA3 ΔE 0.022
- Silver Lake Blue #778DA9 ΔE 0.024
- Slate Gray #708090 ΔE 0.026
- Steel Grey #6F828A ΔE 0.033
- Dusty Blue #5A86AD ΔE 0.040
Use #77859E 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.