#63769A
Closest named color: Stormy Blue (#507B9C). oklch(56.5% 0.06 262.9), rgb(99, 118, 154).
Aa
Black text reads best on this color (4.58:1).
About this color
#63769A is a medium-dark, muted blue. In OKLCH its lightness is 56%, its chroma 0.060 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.025 away. Black text reads best on it, at 4.58:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.58:1 |
| White text | 4.57:1 |
Values
| HEX | #63769A |
| RGB | rgb(99, 118, 154) |
| HSL | hsl(219, 22%, 50%) |
| OKLCH | oklch(56.5% 0.06 262.9) |
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 #63769A | 4.57:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #63769A | 4.58:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #63769A text on white | 4.57:1 | AA | Lc 71.8 | Content text, not long reading |
| #63769A text on black | 4.58:1 | AA | Lc -29.9 | Dividers and decoration only |
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 600.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D4D9E3
oklch(88.4% 0.015 264.5)
-
Step 300
300
#B7C1D3
oklch(80.9% 0.028 262.3)
-
Step 400
400
#92A1BD
oklch(70.7% 0.044 262.9)
-
Step 500
500
#788AAC
oklch(63.2% 0.056 263)
-
Step 600
600 (this color)
#63769A
oklch(56.5% 0.06 262.9)
-
Step 700
700
#506181
oklch(49.2% 0.056 262.8)
-
Step 800
800
#414F69
oklch(42.7% 0.047 262.5)
-
Step 900
900
#374255
oklch(37.7% 0.036 261.2)
-
Step 950
950
#202732
oklch(27.1% 0.023 259.3)
#63769A 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) | #6A789C | 0.012 |
| Deuteranopia (no green cones) | #647399 | 0.008 |
| Tritanopia (no blue cones) | #527D82 | 0.054 |
| Achromatopsia (no color) | #757575 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63769A
#63769A
oklch(56.5% 0.06 262.9)
- #87734C
#87734C
oklch(56.5% 0.06 83.5)
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 #63769A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.025
- Dull Blue #49759C ΔE 0.032
- Grey Blue #647D8E ΔE 0.032
- Metallic Blue #4F738E ΔE 0.034
- Cerulean #457B9D ΔE 0.035
- Slate Gray #708090 ΔE 0.042
- Battleship Grey #6B7C85 ΔE 0.043
- Off Blue #5684AE ΔE 0.044
Use #63769A 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.