#879DC0
Closest named color: Cool Gray (#8D99AE). oklch(69.2% 0.057 259.6), rgb(135, 157, 192).
Aa
Black text reads best on this color (7.61:1).
About this color
#879DC0 is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.057 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.026 away. Black text reads best on it, at 7.61:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.61:1 |
| White text | 2.75:1 |
Values
| HEX | #879DC0 |
| RGB | rgb(135, 157, 192) |
| HSL | hsl(217, 31%, 64%) |
| OKLCH | oklch(69.2% 0.057 259.6) |
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 #879DC0 | 2.75:1 | Fails | Lc -58.5 | Large or bold text, headings |
| Black text on #879DC0 | 7.61:1 | AAA | Lc 50.8 | Large or bold text, headings |
| #879DC0 text on white | 2.75:1 | Fails | Lc 53.3 | Large or bold text, headings |
| #879DC0 text on black | 7.61:1 | AAA | Lc -48.6 | 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D1DAE7
oklch(88.5% 0.02 257.5)
-
Step 300
300
#B3C2D8
oklch(81% 0.035 257.9)
-
Step 400
400 (this color)
#879DC0
oklch(69.2% 0.057 259.6)
-
Step 500
500
#6F8AB6
oklch(63% 0.074 260)
-
Step 600
600
#5774A2
oklch(55.6% 0.08 259.4)
-
Step 700
700
#47618B
oklch(49% 0.075 259.7)
-
Step 800
800
#3B4F71
oklch(42.6% 0.062 260.7)
-
Step 900
900
#32425B
oklch(37.7% 0.048 259.1)
-
Step 950
950
#1E2735
oklch(27.1% 0.029 259.1)
#879DC0 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) | #919FC2 | 0.015 |
| Deuteranopia (no green cones) | #8B99BF | 0.011 |
| Tritanopia (no blue cones) | #77A4A9 | 0.050 |
| Achromatopsia (no color) | #9C9C9C | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #879DC0
#879DC0
oklch(69.2% 0.057 259.6)
- #AF9873
#AF9873
oklch(69.1% 0.058 79.4)
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 #879DC0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.026
- Bluey Grey #89A0B0 ΔE 0.028
- Greyblue #77A1B5 ΔE 0.030
- Bluegrey #85A3B2 ΔE 0.031
- Cool Steel #97A7B3 ΔE 0.045
- Cool Grey #95A3A6 ΔE 0.050
- Silver Lake Blue #778DA9 ΔE 0.056
- Blue Grey #758DA3 ΔE 0.062
Use #879DC0 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.