#377174
Closest named color: Deep Turquoise (#017374). oklch(51.1% 0.061 199.9), rgb(55, 113, 116).
Aa
White text reads best on this color (5.56:1).
About this color
#377174 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.061 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Turquoise (#017374), ΔE 0.026 away. White text reads best on it, at 5.56:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Deep Turquoise (#017374) |
| Black text | 3.77:1 |
| White text | 5.56:1 |
Values
| HEX | #377174 |
| RGB | rgb(55, 113, 116) |
| HSL | hsl(183, 36%, 34%) |
| OKLCH | oklch(51.1% 0.061 199.9) |
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 #377174 | 5.56:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #377174 | 3.77:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #377174 text on white | 5.56:1 | AA | Lc 77.6 | Fine for body text |
| #377174 text on black | 3.77:1 | AA large text | Lc -24.1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEC
oklch(93.7% 0.009 197)
-
Step 200
200
#CDDDDD
oklch(88.6% 0.017 196.8)
-
Step 300
300
#ACC7C8
oklch(81% 0.029 199.3)
-
Step 400
400
#7EAAAC
oklch(70.7% 0.047 199.6)
-
Step 500
500
#5C9598
oklch(63.2% 0.06 200)
-
Step 600
600
#407F82
oklch(55.6% 0.065 199.5)
-
Step 700
700 (this color)
#377174
oklch(51.1% 0.061 199.9)
-
Step 800
800
#2A575A
oklch(42.6% 0.05 201.2)
-
Step 900
900
#27484A
oklch(37.7% 0.039 200.7)
-
Step 950
950
#172A2B
oklch(26.9% 0.025 200)
#377174 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) | #6A6D74 | 0.062 |
| Deuteranopia (no green cones) | #606574 | 0.058 |
| Tritanopia (no blue cones) | #0D7572 | 0.026 |
| Achromatopsia (no color) | #686868 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #377174
#377174
oklch(51.1% 0.061 199.9)
- #865858
#865858
oklch(51.1% 0.061 19.4)
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 #377174, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Turquoise #017374 ΔE 0.026
- Dark Aquamarine #017371 ΔE 0.028
- Deep Aqua #08787F ΔE 0.029
- Bluegreen #017A79 ΔE 0.033
- Dark Aqua #05696B ΔE 0.042
- Slate #516572 ΔE 0.043
- Teal #008080 ΔE 0.046
- Ocean #017B92 ΔE 0.049
Use #377174 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.