#337582
Closest named color: Deep Aqua (#08787F). oklch(52.5% 0.069 212.5), rgb(51, 117, 130).
Aa
White text reads best on this color (5.24:1).
About this color
#337582 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.069 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.023 away. White text reads best on it, at 5.24:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 4.00:1 |
| White text | 5.24:1 |
Values
| HEX | #337582 |
| RGB | rgb(51, 117, 130) |
| HSL | hsl(190, 44%, 35%) |
| OKLCH | oklch(52.5% 0.069 212.5) |
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 #337582 | 5.24:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #337582 | 4.00:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #337582 text on white | 5.24:1 | AA | Lc 75.8 | Fine for body text |
| #337582 text on black | 4.00:1 | AA large text | Lc -25.9 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CDDCE0
oklch(88.4% 0.017 215.5)
-
Step 300
300
#ABC6CC
oklch(80.8% 0.03 212.6)
-
Step 400
400
#7DA9B3
oklch(70.7% 0.049 213.3)
-
Step 500
500
#5994A0
oklch(63.1% 0.064 212)
-
Step 600
600 (this color)
#337582
oklch(52.5% 0.069 212.5)
-
Step 700
700
#2E6A76
oklch(49% 0.064 212.7)
-
Step 800
800
#285760
oklch(42.8% 0.053 211.7)
-
Step 900
900
#25484F
oklch(37.8% 0.042 212)
-
Step 950
950
#162A2E
oklch(27% 0.027 211.7)
#337582 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) | #6B7183 | 0.064 |
| Deuteranopia (no green cones) | #5F6882 | 0.059 |
| Tritanopia (no blue cones) | #007A79 | 0.033 |
| Achromatopsia (no color) | #6C6C6C | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337582
#337582
oklch(52.5% 0.069 212.5)
- #8E5B51
#8E5B51
oklch(52.5% 0.07 31.6)
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 #337582, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.023
- Ocean #017B92 ΔE 0.030
- Bluegreen #017A79 ΔE 0.033
- Deep Turquoise #017374 ΔE 0.035
- Sea Blue #047495 ΔE 0.036
- Metallic Blue #4F738E ΔE 0.037
- Teal #008080 ΔE 0.038
- Dark Aquamarine #017371 ΔE 0.039
Use #337582 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.