#63869A
Closest named color: Steel (#738595). oklch(60.1% 0.05 233.7), rgb(99, 134, 154).
Aa
Black text reads best on this color (5.40:1).
About this color
#63869A is a medium-dark, muted blue. In OKLCH its lightness is 60%, its chroma 0.050 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Steel (#738595), ΔE 0.020 away. Black text reads best on it, at 5.40:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Steel (#738595) |
| Black text | 5.40:1 |
| White text | 3.88:1 |
Values
| HEX | #63869A |
| RGB | rgb(99, 134, 154) |
| HSL | hsl(202, 22%, 50%) |
| OKLCH | oklch(60.1% 0.05 233.7) |
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 #63869A | 3.88:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #63869A | 5.40:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #63869A text on white | 3.88:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #63869A text on black | 5.40:1 | AA | Lc -35.4 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D1DBE1
oklch(88.6% 0.014 233.8)
-
Step 300
300
#B2C4CE
oklch(81% 0.024 231.9)
-
Step 400
400
#89A5B5
oklch(70.6% 0.039 233.1)
-
Step 500
500 (this color)
#63869A
oklch(60.1% 0.05 233.7)
-
Step 600
600
#53798E
oklch(55.6% 0.054 233.2)
-
Step 700
700
#436679
oklch(49.1% 0.05 232.9)
-
Step 800
800
#385362
oklch(42.7% 0.041 233.3)
-
Step 900
900
#304550
oklch(37.7% 0.032 231.5)
-
Step 950
950
#1D282F
oklch(27% 0.02 236.4)
#63869A 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) | #7D859B | 0.034 |
| Deuteranopia (no green cones) | #757F9A | 0.029 |
| Tritanopia (no blue cones) | #508B8C | 0.037 |
| Achromatopsia (no color) | #818181 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63869A
#63869A
oklch(60.1% 0.05 233.7)
- #997965
#997965
oklch(60.2% 0.05 53.5)
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 #63869A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel #738595 ΔE 0.020
- Slate Gray #708090 ΔE 0.023
- Steel Grey #6F828A ΔE 0.026
- Light Slate Gray #778899 ΔE 0.027
- Grey Blue #647D8E ΔE 0.027
- Dusty Blue #5A86AD ΔE 0.030
- Blue Grey #758DA3 ΔE 0.034
- Off Blue #5684AE ΔE 0.036
Use #63869A 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.