#307179
Closest named color: Deep Turquoise (#017374). oklch(51% 0.067 206.3), rgb(48, 113, 121).
Aa
White text reads best on this color (5.57:1).
About this color
#307179 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.067 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Turquoise (#017374), ΔE 0.024 away. White text reads best on it, at 5.57:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Deep Turquoise (#017374) |
| Black text | 3.76:1 |
| White text | 5.57:1 |
Values
| HEX | #307179 |
| RGB | rgb(48, 113, 121) |
| HSL | hsl(187, 43%, 33%) |
| OKLCH | oklch(51% 0.067 206.3) |
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 #307179 | 5.57:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #307179 | 3.76:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #307179 text on white | 5.57:1 | AA | Lc 77.7 | Fine for body text |
| #307179 text on black | 3.76:1 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDDF
oklch(88.5% 0.018 205.3)
-
Step 300
300
#A9C7CB
oklch(80.9% 0.033 206.4)
-
Step 400
400
#7AAAB1
oklch(70.6% 0.052 207.3)
-
Step 500
500
#56959D
oklch(63.1% 0.066 206.1)
-
Step 600
600
#387F88
oklch(55.5% 0.072 206.5)
-
Step 700
700 (this color)
#307179
oklch(51% 0.067 206.3)
-
Step 800
800
#24585E
oklch(42.8% 0.056 205.6)
-
Step 900
900
#23484D
oklch(37.6% 0.043 206.9)
-
Step 950
950
#152A2D
oklch(26.9% 0.027 207.4)
#307179 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) | #686D7A | 0.065 |
| Deuteranopia (no green cones) | #5D6479 | 0.061 |
| Tritanopia (no blue cones) | #007673 | 0.029 |
| Achromatopsia (no color) | #686868 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #307179
#307179
oklch(51% 0.067 206.3)
- #885752
#885752
oklch(51% 0.066 26)
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 #307179, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Turquoise #017374 ΔE 0.024
- Deep Aqua #08787F ΔE 0.024
- Dark Aquamarine #017371 ΔE 0.027
- Bluegreen #017A79 ΔE 0.032
- Dark Aqua #05696B ΔE 0.041
- Ocean #017B92 ΔE 0.043
- Sea Blue #047495 ΔE 0.045
- Teal #008080 ΔE 0.045
Use #307179 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.