#839FBF
Closest named color: Greyblue (#77A1B5). oklch(69.3% 0.057 252), rgb(131, 159, 191).
Aa
Black text reads best on this color (7.67:1).
About this color
#839FBF is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.057 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.023 away. Black text reads best on it, at 7.67:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.67:1 |
| White text | 2.73:1 |
Values
| HEX | #839FBF |
| RGB | rgb(131, 159, 191) |
| HSL | hsl(212, 32%, 63%) |
| OKLCH | oklch(69.3% 0.057 252) |
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 #839FBF | 2.73:1 | Fails | Lc -58.1 | Large or bold text, headings |
| Black text on #839FBF | 7.67:1 | AAA | Lc 51.1 | Large or bold text, headings |
| #839FBF text on white | 2.73:1 | Fails | Lc 52.9 | Large or bold text, headings |
| #839FBF text on black | 7.67:1 | AAA | Lc -49.0 | 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
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE6
oklch(88.4% 0.02 252.9)
-
Step 300
300
#B1C3D7
oklch(81% 0.035 251)
-
Step 400
400 (this color)
#839FBF
oklch(69.3% 0.057 252)
-
Step 500
500
#698DB5
oklch(63.2% 0.073 251.6)
-
Step 600
600
#5076A0
oklch(55.5% 0.079 251.7)
-
Step 700
700
#416389
oklch(49.1% 0.073 252.1)
-
Step 800
800
#36516F
oklch(42.7% 0.06 251.8)
-
Step 900
900
#2F435A
oklch(37.6% 0.047 252.5)
-
Step 950
950
#1C2735
oklch(26.9% 0.03 254.7)
#839FBF 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) | #93A0C1 | 0.022 |
| Deuteranopia (no green cones) | #8C9ABE | 0.017 |
| Tritanopia (no blue cones) | #71A6A9 | 0.049 |
| Achromatopsia (no color) | #9C9C9C | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #839FBF
#839FBF
oklch(69.3% 0.057 252)
- #B39776
#B39776
oklch(69.3% 0.057 71.3)
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 #839FBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.023
- Bluey Grey #89A0B0 ΔE 0.024
- Bluegrey #85A3B2 ΔE 0.026
- Cool Gray #8D99AE ΔE 0.027
- Cool Steel #97A7B3 ΔE 0.042
- Cool Grey #95A3A6 ΔE 0.047
- Silver Lake Blue #778DA9 ΔE 0.057
- Blue Grey #758DA3 ΔE 0.062
Use #839FBF 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.