#435363
Closest named color: YInMn Blue (#415A77). oklch(43.5% 0.033 248.6), rgb(67, 83, 99).
Aa
White text reads best on this color (7.90:1).
About this color
#435363 is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.033 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.034 away. White text reads best on it, at 7.90:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.65:1 |
| White text | 7.90:1 |
Values
| HEX | #435363 |
| RGB | rgb(67, 83, 99) |
| HSL | hsl(210, 19%, 33%) |
| OKLCH | oklch(43.5% 0.033 248.6) |
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 #435363 | 7.90:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #435363 | 2.65:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #435363 text on white | 7.90:1 | AAA | Lc 87.4 | Fine for body text |
| #435363 text on black | 2.65:1 | Fails | Lc -14.7 | Not readable |
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 800.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DAE0
oklch(88.6% 0.011 247.9)
-
Step 300
300
#B7C2CD
oklch(80.9% 0.02 248.1)
-
Step 400
400
#92A3B4
oklch(70.8% 0.031 248.3)
-
Step 500
500
#778CA1
oklch(63.1% 0.04 248.5)
-
Step 600
600
#60768C
oklch(55.6% 0.043 248.6)
-
Step 700
700
#4F6377
oklch(49.1% 0.04 248.7)
-
Step 800
800 (this color)
#435363
oklch(43.5% 0.033 248.6)
-
Step 900
900
#37434F
oklch(37.7% 0.026 248.5)
-
Step 950
950
#20272E
oklch(26.9% 0.016 248.4)
#435363 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) | #4D5364 | 0.015 |
| Deuteranopia (no green cones) | #495063 | 0.012 |
| Tritanopia (no blue cones) | #395758 | 0.029 |
| Achromatopsia (no color) | #515151 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #435363
#435363
oklch(43.5% 0.033 248.6)
- #5E4E3D
#5E4E3D
oklch(43.5% 0.034 68.4)
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 #435363, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.034
- Dusty Grape #545775 ΔE 0.041
- Dark Slate Gray #2F4F4F ΔE 0.045
- Dusk #4E5481 ΔE 0.054
- Petrol #005F6A ΔE 0.056
- Dark Grey Blue #29465B ΔE 0.057
- Deep Teal #00555A ΔE 0.059
- Slate #516572 ΔE 0.061
Use #435363 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.