#33495B
Closest named color: Dark Grey Blue (#29465B). oklch(39.5% 0.041 243.8), rgb(51, 73, 91).
Aa
White text reads best on this color (9.35:1).
About this color
#33495B is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.041 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.017 away. White text reads best on it, at 9.35:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.24:1 |
| White text | 9.35:1 |
Values
| HEX | #33495B |
| RGB | rgb(51, 73, 91) |
| HSL | hsl(207, 28%, 28%) |
| OKLCH | oklch(39.5% 0.041 243.8) |
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 #33495B | 9.35:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #33495B | 2.24:1 | Fails | Lc 12.4 | Not readable |
| #33495B text on white | 9.35:1 | AAA | Lc 91.6 | Preferred for body text |
| #33495B text on black | 2.24:1 | Fails | Lc -10.8 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D0DBE4
oklch(88.6% 0.017 242.5)
-
Step 300
300
#B0C3D3
oklch(80.8% 0.031 243.5)
-
Step 400
400
#87A5BE
oklch(70.8% 0.05 243.7)
-
Step 500
500
#688EAD
oklch(63% 0.063 243.6)
-
Step 600
600
#4F7899
oklch(55.6% 0.069 243.7)
-
Step 700
700
#406582
oklch(49.1% 0.063 243.2)
-
Step 800
800
#35526A
oklch(42.6% 0.053 244.5)
-
Step 900
900 (this color)
#33495B
oklch(39.5% 0.041 243.8)
-
Step 950
950
#1B2832
oklch(27% 0.026 242)
#33495B 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) | #42495C | 0.022 |
| Deuteranopia (no green cones) | #3C455B | 0.017 |
| Tritanopia (no blue cones) | #244D4F | 0.033 |
| Achromatopsia (no color) | #474747 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33495B
#33495B
oklch(39.5% 0.041 243.8)
- #56422F
#56422F
oklch(39.5% 0.041 64.7)
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 #33495B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.017
- Charcoal #264653 ΔE 0.024
- Dark Slate Gray #2F4F4F ΔE 0.033
- Charcoal Grey #3C4142 ΔE 0.043
- Dark Teal #014D4E ΔE 0.050
- Deep Teal #00555A ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.057
- Onyx #343A40 ΔE 0.057
Use #33495B 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.