#879BCD
Closest named color: Cool Gray (#8D99AE). oklch(69.3% 0.077 267.5), rgb(135, 155, 205).
Aa
Black text reads best on this color (7.60:1).
About this color
#879BCD is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.077 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.045 away. Black text reads best on it, at 7.60:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.60:1 |
| White text | 2.76:1 |
Values
| HEX | #879BCD |
| RGB | rgb(135, 155, 205) |
| HSL | hsl(223, 41%, 67%) |
| OKLCH | oklch(69.3% 0.077 267.5) |
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 #879BCD | 2.76:1 | Fails | Lc -58.6 | Large or bold text, headings |
| Black text on #879BCD | 7.60:1 | AAA | Lc 50.7 | Large or bold text, headings |
| #879BCD text on white | 2.76:1 | Fails | Lc 53.3 | Large or bold text, headings |
| #879BCD text on black | 7.60:1 | AAA | Lc -48.5 | 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
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D1D9EC
oklch(88.5% 0.028 267.5)
-
Step 300
300
#B3C0E1
oklch(80.9% 0.049 268.3)
-
Step 400
400 (this color)
#879BCD
oklch(69.3% 0.077 267.5)
-
Step 500
500
#6F87C6
oklch(63.1% 0.099 267.6)
-
Step 600
600
#5870B2
oklch(55.6% 0.107 267.7)
-
Step 700
700
#485E99
oklch(49.2% 0.099 267.3)
-
Step 800
800
#3B4D7C
oklch(42.8% 0.082 267.1)
-
Step 900
900
#324064
oklch(37.7% 0.065 267.1)
-
Step 950
950
#1E263B
oklch(27.2% 0.041 267.7)
#879BCD 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) | #8B9FCF | 0.012 |
| Deuteranopia (no green cones) | #8499CC | 0.007 |
| Tritanopia (no blue cones) | #73A5AC | 0.069 |
| Achromatopsia (no color) | #9B9B9B | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #879BCD
#879BCD
oklch(69.3% 0.077 267.5)
- #B19A63
#B19A63
oklch(69.4% 0.078 87.7)
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 #879BCD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.045
- Greyblue #77A1B5 ΔE 0.049
- Bluey Grey #89A0B0 ΔE 0.050
- Bluegrey #85A3B2 ΔE 0.052
- Cool Steel #97A7B3 ΔE 0.062
- Perrywinkle #8F8CE7 ΔE 0.063
- Silver Lake Blue #778DA9 ΔE 0.065
- Faded Blue #658CBB ΔE 0.066
Use #879BCD 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.