#33596B
Closest named color: YInMn Blue (#415A77). oklch(44.3% 0.052 230), rgb(51, 89, 107).
Aa
White text reads best on this color (7.54:1).
About this color
#33596B is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.052 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.027 away. White text reads best on it, at 7.54:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.78:1 |
| White text | 7.54:1 |
Values
| HEX | #33596B |
| RGB | rgb(51, 89, 107) |
| HSL | hsl(199, 35%, 31%) |
| OKLCH | oklch(44.3% 0.052 230) |
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 #33596B | 7.54:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #33596B | 2.78:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #33596B text on white | 7.54:1 | AAA | Lc 86.1 | Fine for body text |
| #33596B text on black | 2.78:1 | Fails | Lc -15.9 | 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 800.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDBE2
oklch(88.4% 0.017 230.9)
-
Step 300
300
#ADC5D1
oklch(80.9% 0.031 229.3)
-
Step 400
400
#82A7BA
oklch(70.8% 0.049 230.6)
-
Step 500
500
#6191A8
oklch(63.1% 0.062 229.6)
-
Step 600
600
#467B94
oklch(55.6% 0.069 230.1)
-
Step 700
700
#37677E
oklch(49% 0.064 230.8)
-
Step 800
800 (this color)
#33596B
oklch(44.3% 0.052 230)
-
Step 900
900
#2A4653
oklch(37.8% 0.04 229.1)
-
Step 950
950
#192931
oklch(27% 0.026 230.6)
#33596B 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) | #50586C | 0.038 |
| Deuteranopia (no green cones) | #48526B | 0.032 |
| Tritanopia (no blue cones) | #155E5F | 0.038 |
| Achromatopsia (no color) | #545454 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33596B
#33596B
oklch(44.3% 0.052 230)
- #6B4B39
#6B4B39
oklch(44.3% 0.052 50.3)
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 #33596B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.027
- Petrol #005F6A ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.048
- Deep Teal #00555A ΔE 0.048
- Dusty Grape #545775 ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.050
- Dark Aqua #05696B ΔE 0.054
- Deep Sea Blue #015482 ΔE 0.054
Use #33596B 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.