#337384
Closest named color: Deep Aqua (#08787F). oklch(52.1% 0.07 217.9), rgb(51, 115, 132).
Aa
White text reads best on this color (5.34:1).
About this color
#337384 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.070 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.027 away. White text reads best on it, at 5.34:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.92:1 |
| White text | 5.34:1 |
Values
| HEX | #337384 |
| RGB | rgb(51, 115, 132) |
| HSL | hsl(193, 44%, 36%) |
| OKLCH | oklch(52.1% 0.07 217.9) |
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 #337384 | 5.34:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #337384 | 3.92:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #337384 text on white | 5.34:1 | AA | Lc 76.4 | Fine for body text |
| #337384 text on black | 3.92:1 | AA large text | Lc -25.3 | 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 700.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CCDCE1
oklch(88.4% 0.019 218.4)
-
Step 300
300
#A9C6CF
oklch(80.8% 0.034 218.5)
-
Step 400
400
#7AA9B7
oklch(70.6% 0.054 218.2)
-
Step 500
500
#5694A5
oklch(63.1% 0.069 217.4)
-
Step 600
600
#387E91
oklch(55.6% 0.075 218.3)
-
Step 700
700 (this color)
#337384
oklch(52.1% 0.07 217.9)
-
Step 800
800
#245764
oklch(42.8% 0.058 217.1)
-
Step 900
900
#234752
oklch(37.6% 0.045 220)
-
Step 950
950
#152A30
oklch(27% 0.029 218.2)
#337384 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) | #687085 | 0.061 |
| Deuteranopia (no green cones) | #5C6784 | 0.055 |
| Tritanopia (no blue cones) | #007978 | 0.038 |
| Achromatopsia (no color) | #6B6B6B | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337384
#337384
oklch(52.1% 0.07 217.9)
- #8C5B4C
#8C5B4C
oklch(52.1% 0.069 37.8)
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 #337384, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.027
- Ocean #017B92 ΔE 0.031
- Sea Blue #047495 ΔE 0.032
- Metallic Blue #4F738E ΔE 0.034
- Deep Turquoise #017374 ΔE 0.038
- Bluegreen #017A79 ΔE 0.038
- Dark Aquamarine #017371 ΔE 0.042
- Ocean Blue #03719C ΔE 0.045
Use #337384 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.