#878D9D
Closest named color: Blue Grey (#758DA3). oklch(64.4% 0.025 269.3), rgb(135, 141, 157).
Aa
Black text reads best on this color (6.32:1).
About this color
#878D9D is a medium-light close to neutral grey. In OKLCH its lightness is 64%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Blue Grey (#758DA3), ΔE 0.025 away. Black text reads best on it, at 6.32:1.
| Hue family | Neutrals |
| Lightness | medium-light (64%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.32:1 |
| White text | 3.31:1 |
Values
| HEX | #878D9D |
| RGB | rgb(135, 141, 157) |
| HSL | hsl(224, 10%, 57%) |
| OKLCH | oklch(64.4% 0.025 269.3) |
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 #878D9D | 3.31:1 | AA large text | Lc -66.1 | Content text, not long reading |
| Black text on #878D9D | 6.32:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #878D9D text on white | 3.31:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #878D9D text on black | 6.32:1 | AA | Lc -41.1 | 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
#E9EAEC
oklch(93.7% 0.003 264.5)
-
Step 200
200
#D7D9DE
oklch(88.5% 0.007 268.5)
-
Step 300
300
#BDC0C9
oklch(80.8% 0.013 271.3)
-
Step 400
400
#9BA0AD
oklch(70.6% 0.02 269)
-
Step 500
500 (this color)
#878D9D
oklch(64.4% 0.025 269.3)
-
Step 600
600
#6D7384
oklch(55.6% 0.027 270.1)
-
Step 700
700
#5B606F
oklch(49% 0.025 270.9)
-
Step 800
800
#4A4F5B
oklch(42.8% 0.021 267.5)
-
Step 900
900
#3E414A
oklch(37.6% 0.016 271)
-
Step 950
950
#24262C
oklch(26.9% 0.012 271)
#878D9D 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) | #898E9E | 0.004 |
| Deuteranopia (no green cones) | #878C9D | 0.003 |
| Tritanopia (no blue cones) | #829092 | 0.023 |
| Achromatopsia (no color) | #8D8D8D | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #878D9D
#878D9D
oklch(64.4% 0.025 269.3)
- #938D7D
#938D7D
oklch(64.4% 0.024 89.9)
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 #878D9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.025
- Silver Lake Blue #778DA9 ΔE 0.027
- Light Slate Gray #778899 ΔE 0.028
- Cool Gray #8D99AE ΔE 0.038
- Steel #738595 ΔE 0.039
- Warm Grey #978A84 ΔE 0.040
- Purpley Grey #947E94 ΔE 0.042
- Lavender Gray #7E7F9A ΔE 0.042
Use #878D9D 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.