#20435D
Closest named color: Dark Grey Blue (#29465B). oklch(36.9% 0.061 242.9), rgb(32, 67, 93).
Aa
White text reads best on this color (10.38:1).
About this color
#20435D is a dark, muted blue. In OKLCH its lightness is 37%, its chroma 0.061 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.016 away. White text reads best on it, at 10.38:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.02:1 |
| White text | 10.38:1 |
Values
| HEX | #20435D |
| RGB | rgb(32, 67, 93) |
| HSL | hsl(206, 49%, 25%) |
| OKLCH | oklch(36.9% 0.061 242.9) |
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 #20435D | 10.38:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #20435D | 2.02:1 | Fails | Lc 10.0 | Not readable |
| #20435D text on white | 10.38:1 | AAA | Lc 93.9 | Preferred for body text |
| #20435D text on black | 2.02:1 | Fails | Lc -8.6 | 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 900.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CBDCE9
oklch(88.6% 0.026 240.7)
-
Step 300
300
#A8C5DC
oklch(80.9% 0.045 242.1)
-
Step 400
400
#79A6CB
oklch(70.7% 0.073 243.9)
-
Step 500
500
#5490BD
oklch(63.1% 0.093 242.6)
-
Step 600
600
#3779AA
oklch(55.6% 0.102 243.6)
-
Step 700
700
#286692
oklch(49.1% 0.095 243.1)
-
Step 800
800
#235376
oklch(42.6% 0.078 243.2)
-
Step 900
900 (this color)
#20435D
oklch(36.9% 0.061 242.9)
-
Step 950
950
#152938
oklch(27.2% 0.038 242.4)
#20435D 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) | #37435E | 0.029 |
| Deuteranopia (no green cones) | #2F3D5D | 0.024 |
| Tritanopia (no blue cones) | #00494C | 0.046 |
| Achromatopsia (no color) | #404040 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #20435D
#20435D
oklch(36.9% 0.061 242.9)
- #56381B
#56381B
oklch(36.9% 0.06 63.1)
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 #20435D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.016
- Charcoal #264653 ΔE 0.023
- Dark Blue Grey #1F3B4D ΔE 0.034
- Midnight Green #073B4C ΔE 0.044
- Prussian Blue #1D3557 ΔE 0.045
- Dark Teal #014D4E ΔE 0.051
- Twilight Blue #0A437A ΔE 0.051
- Marine Blue #01386A ΔE 0.052
Use #20435D 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.