#879DBE
Closest named color: Cool Gray (#8D99AE). oklch(69.1% 0.055 258.4), rgb(135, 157, 190).
Aa
Black text reads best on this color (7.59:1).
About this color
#879DBE is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.055 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.023 away. Black text reads best on it, at 7.59:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.59:1 |
| White text | 2.76:1 |
Values
| HEX | #879DBE |
| RGB | rgb(135, 157, 190) |
| HSL | hsl(216, 30%, 64%) |
| OKLCH | oklch(69.1% 0.055 258.4) |
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 #879DBE | 2.76:1 | Fails | Lc -58.6 | Large or bold text, headings |
| Black text on #879DBE | 7.59:1 | AAA | Lc 50.7 | Large or bold text, headings |
| #879DBE text on white | 2.76:1 | Fails | Lc 53.3 | Large or bold text, headings |
| #879DBE text on black | 7.59:1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2DAE6
oklch(88.6% 0.019 258.4)
-
Step 300
300
#B3C2D7
oklch(80.9% 0.034 256.8)
-
Step 400
400 (this color)
#879DBE
oklch(69.1% 0.055 258.4)
-
Step 500
500
#6F8BB4
oklch(63.1% 0.07 257.8)
-
Step 600
600
#5774A0
oklch(55.5% 0.077 258.5)
-
Step 700
700
#476289
oklch(49.2% 0.071 257.5)
-
Step 800
800
#3B506F
oklch(42.8% 0.058 258)
-
Step 900
900
#33425A
oklch(37.7% 0.046 259.6)
-
Step 950
950
#1E2735
oklch(27.1% 0.029 259.1)
#879DBE 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) | #929EC0 | 0.015 |
| Deuteranopia (no green cones) | #8C99BD | 0.012 |
| Tritanopia (no blue cones) | #78A4A8 | 0.048 |
| Achromatopsia (no color) | #9B9B9B | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #879DBE
#879DBE
oklch(69.1% 0.055 258.4)
- #AE9875
#AE9875
oklch(69% 0.055 79.2)
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 #879DBE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.023
- Bluey Grey #89A0B0 ΔE 0.025
- Greyblue #77A1B5 ΔE 0.028
- Bluegrey #85A3B2 ΔE 0.029
- Cool Steel #97A7B3 ΔE 0.043
- Cool Grey #95A3A6 ΔE 0.047
- Silver Lake Blue #778DA9 ΔE 0.055
- Blue Grey #758DA3 ΔE 0.060
Use #879DBE 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.