#7C899C
Closest named color: Light Slate Gray (#778899). oklch(62.6% 0.032 257.8), rgb(124, 137, 156).
Aa
Black text reads best on this color (5.91:1).
About this color
#7C899C is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.032 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Light Slate Gray (#778899), ΔE 0.009 away. Black text reads best on it, at 5.91:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.91:1 |
| White text | 3.55:1 |
Values
| HEX | #7C899C |
| RGB | rgb(124, 137, 156) |
| HSL | hsl(216, 14%, 55%) |
| OKLCH | oklch(62.6% 0.032 257.8) |
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 #7C899C | 3.55:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #7C899C | 5.91:1 | AA | Lc 41.0 | Non-text elements, placeholder text |
| #7C899C text on white | 3.55:1 | AA large text | Lc 63.1 | Content text, not long reading |
| #7C899C text on black | 5.91:1 | AA | Lc -38.6 | 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
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D5D9DF
oklch(88.4% 0.009 258.3)
-
Step 300
300
#BAC1CB
oklch(80.8% 0.016 257.2)
-
Step 400
400
#97A1B1
oklch(70.6% 0.026 259.8)
-
Step 500
500 (this color)
#7C899C
oklch(62.6% 0.032 257.8)
-
Step 600
600
#677488
oklch(55.5% 0.035 258.9)
-
Step 700
700
#556274
oklch(49.2% 0.033 256.6)
-
Step 800
800
#46505E
oklch(42.8% 0.027 256.8)
-
Step 900
900
#3B424D
oklch(37.7% 0.021 259.4)
-
Step 950
950
#22272D
oklch(27% 0.013 253)
#7C899C 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) | #838A9D | 0.011 |
| Deuteranopia (no green cones) | #7F879C | 0.007 |
| Tritanopia (no blue cones) | #748D8F | 0.029 |
| Achromatopsia (no color) | #888888 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C899C
#7C899C
oklch(62.6% 0.032 257.8)
- #938672
#938672
oklch(62.6% 0.033 78.6)
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 #7C899C, 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 0.015
- Steel #738595 ΔE 0.020
- Silver Lake Blue #778DA9 ΔE 0.020
- Lavender Gray #7E7F9A ΔE 0.028
- Slate Gray #708090 ΔE 0.034
- Steel Grey #6F828A ΔE 0.037
- Gray #808080 ΔE 0.042
Use #7C899C 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.