#337977
Closest named color: Bluegreen (#017A79). oklch(53.1% 0.07 192.7), rgb(51, 121, 119).
Aa
White text reads best on this color (5.06:1).
About this color
#337977 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.070 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.021 away. White text reads best on it, at 5.06:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.14:1 |
| White text | 5.06:1 |
Values
| HEX | #337977 |
| RGB | rgb(51, 121, 119) |
| HSL | hsl(178, 41%, 34%) |
| OKLCH | oklch(53.1% 0.07 192.7) |
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 #337977 | 5.06:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #337977 | 4.14:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #337977 text on white | 5.06:1 | AA | Lc 74.8 | Content text, not long reading |
| #337977 text on black | 4.14:1 | AA large text | Lc -26.9 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CDDDDC
oklch(88.5% 0.017 192.3)
-
Step 300
300
#AAC7C6
oklch(80.8% 0.031 194)
-
Step 400
400
#7CABA9
oklch(70.7% 0.05 192.8)
-
Step 500
500
#589694
oklch(63.1% 0.064 193)
-
Step 600
600 (this color)
#337977
oklch(53.1% 0.07 192.7)
-
Step 700
700
#2C6C6B
oklch(49% 0.065 193.8)
-
Step 800
800
#265857
oklch(42.6% 0.054 193.6)
-
Step 900
900
#244948
oklch(37.8% 0.043 193.2)
-
Step 950
950
#162B2A
oklch(27.1% 0.027 191.8)
#337977 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) | #727377 | 0.074 |
| Deuteranopia (no green cones) | #676B78 | 0.069 |
| Tritanopia (no blue cones) | #007C78 | 0.022 |
| Achromatopsia (no color) | #6E6E6E | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337977
#337977
oklch(53.1% 0.07 192.7)
- #905B61
#905B61
oklch(53.1% 0.07 12.3)
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 #337977, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.021
- Deep Aqua #08787F ΔE 0.023
- Teal #008080 ΔE 0.026
- Deep Turquoise #017374 ΔE 0.032
- Dark Aquamarine #017371 ΔE 0.033
- Ocean #017B92 ΔE 0.043
- Dark Cyan #008B8B ΔE 0.054
- Metallic Blue #4F738E ΔE 0.055
Use #337977 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.