#007178
Closest named color: Deep Turquoise (#017374). oklch(50% 0.085 202.3), rgb(0, 113, 120).
Aa
White text reads best on this color (5.77:1).
About this color
#007178 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 50%, its chroma 0.085 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Turquoise (#017374), ΔE 0.010 away. White text reads best on it, at 5.77:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Deep Turquoise (#017374) |
| Black text | 3.63:1 |
| White text | 5.77:1 |
Values
| HEX | #007178 |
| RGB | rgb(0, 113, 120) |
| HSL | hsl(184, 100%, 24%) |
| OKLCH | oklch(50% 0.085 202.3) |
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 #007178 | 5.77:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #007178 | 3.63:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #007178 text on white | 5.77:1 | AA | Lc 78.4 | Fine for body text |
| #007178 text on black | 3.63:1 | AA large text | Lc -23.4 | 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 700.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300
#A2C9CC
oklch(80.9% 0.042 202.2)
-
Step 400
400
#6DADB2
oklch(70.6% 0.066 202.1)
-
Step 500
500
#40999F
oklch(63.2% 0.084 201.4)
-
Step 600
600
#11838A
oklch(55.7% 0.091 201.7)
-
Step 700
700 (this color)
#007178
oklch(50% 0.085 202.3)
-
Step 800
800
#085A60
oklch(42.7% 0.07 203)
-
Step 900
900
#154A4E
oklch(37.7% 0.055 202.3)
-
Step 950
950
#0E2B2E
oklch(26.9% 0.035 204.5)
#007178 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) | #676B79 | 0.086 |
| Deuteranopia (no green cones) | #596178 | 0.079 |
| Tritanopia (no blue cones) | #007673 | 0.020 |
| Achromatopsia (no color) | #666666 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #007178
#007178
oklch(50% 0.085 202.3)
- #8D4E4D
#8D4E4D
oklch(49.8% 0.085 21.5)
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 #007178, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Turquoise #017374 ΔE 0.010
- Dark Aquamarine #017371 ΔE 0.015
- Deep Aqua #08787F ΔE 0.023
- Dark Aqua #05696B ΔE 0.028
- Bluegreen #017A79 ΔE 0.028
- Ocean #017B92 ΔE 0.046
- Teal #008080 ΔE 0.046
- Sea Blue #047495 ΔE 0.046
Use #007178 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.