#879ECC
Closest named color: Cool Gray (#8D99AE). oklch(69.9% 0.073 263.9), rgb(135, 158, 204).
Aa
Black text reads best on this color (7.79:1).
About this color
#879ECC is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.073 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.043 away. Black text reads best on it, at 7.79:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.79:1 |
| White text | 2.69:1 |
Values
| HEX | #879ECC |
| RGB | rgb(135, 158, 204) |
| HSL | hsl(220, 40%, 66%) |
| OKLCH | oklch(69.9% 0.073 263.9) |
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 #879ECC | 2.69:1 | Fails | Lc -57.5 | Large or bold text, headings |
| Black text on #879ECC | 7.79:1 | AAA | Lc 51.8 | Large or bold text, headings |
| #879ECC text on white | 2.69:1 | Fails | Lc 52.3 | Large or bold text, headings |
| #879ECC text on black | 7.79:1 | AAA | Lc -49.6 | Large or bold text, headings |
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 400.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D1D9EA
oklch(88.4% 0.025 265.6)
-
Step 300
300
#B2C1DF
oklch(80.9% 0.046 264.3)
-
Step 400
400 (this color)
#879ECC
oklch(69.9% 0.073 263.9)
-
Step 500
500
#6D89C2
oklch(63.2% 0.092 263.9)
-
Step 600
600
#5572AF
oklch(55.7% 0.101 264.1)
-
Step 700
700
#455F96
oklch(49.1% 0.094 264.1)
-
Step 800
800
#394E7A
oklch(42.8% 0.078 264)
-
Step 900
900
#314162
oklch(37.7% 0.061 264)
-
Step 950
950
#1D2639
oklch(27% 0.038 264.5)
#879ECC 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) | #8FA1CE | 0.014 |
| Deuteranopia (no green cones) | #889BCB | 0.008 |
| Tritanopia (no blue cones) | #73A7AE | 0.064 |
| Achromatopsia (no color) | #9E9E9E | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #879ECC
#879ECC
oklch(69.9% 0.073 263.9)
- #B49B69
#B49B69
oklch(70% 0.073 84.1)
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 #879ECC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.043
- Greyblue #77A1B5 ΔE 0.044
- Bluey Grey #89A0B0 ΔE 0.044
- Bluegrey #85A3B2 ΔE 0.046
- Cool Steel #97A7B3 ΔE 0.055
- Cool Grey #95A3A6 ΔE 0.064
- Silver Lake Blue #778DA9 ΔE 0.067
- Faded Blue #658CBB ΔE 0.071
Use #879ECC 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.