#337985
Closest named color: Deep Aqua (#08787F). oklch(53.7% 0.072 210.5), rgb(51, 121, 133).
Aa
White text reads best on this color (4.98:1).
About this color
#337985 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.072 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.024 away. White text reads best on it, at 4.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 4.21:1 |
| White text | 4.98:1 |
Values
| HEX | #337985 |
| RGB | rgb(51, 121, 133) |
| HSL | hsl(189, 45%, 36%) |
| OKLCH | oklch(53.7% 0.072 210.5) |
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 #337985 | 4.98:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #337985 | 4.21:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #337985 text on white | 4.98:1 | AA | Lc 74.3 | Content text, not long reading |
| #337985 text on black | 4.21:1 | AA large text | Lc -27.4 | 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
#CCDDE0
oklch(88.6% 0.019 209.4)
-
Step 300
300
#AAC7CC
oklch(81% 0.032 209.2)
-
Step 400
400
#7BAAB3
oklch(70.8% 0.052 210.7)
-
Step 500
500
#5795A0
oklch(63.2% 0.066 210.1)
-
Step 600
600 (this color)
#337985
oklch(53.7% 0.072 210.5)
-
Step 700
700
#2B6B76
oklch(49.1% 0.067 210.6)
-
Step 800
800
#255760
oklch(42.6% 0.055 211)
-
Step 900
900
#24484E
oklch(37.7% 0.043 209.4)
-
Step 950
950
#162A2E
oklch(27% 0.027 211.7)
#337985 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) | #6F7586 | 0.068 |
| Deuteranopia (no green cones) | #626C85 | 0.061 |
| Tritanopia (no blue cones) | #007E7D | 0.031 |
| Achromatopsia (no color) | #707070 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337985
#337985
oklch(53.7% 0.072 210.5)
- #935E54
#935E54
oklch(53.7% 0.072 31.2)
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 #337985, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.024
- Ocean #017B92 ΔE 0.026
- Teal #008080 ΔE 0.031
- Bluegreen #017A79 ΔE 0.032
- Metallic Blue #4F738E ΔE 0.037
- Sea Blue #047495 ΔE 0.039
- Deep Turquoise #017374 ΔE 0.041
- Cerulean #457B9D ΔE 0.043
Use #337985 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.