#307279
Closest named color: Deep Aqua (#08787F). oklch(51.3% 0.067 204.8), rgb(48, 114, 121).
Aa
White text reads best on this color (5.51:1).
About this color
#307279 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.067 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.022 away. White text reads best on it, at 5.51:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.80:1 |
| White text | 5.51:1 |
Values
| HEX | #307279 |
| RGB | rgb(48, 114, 121) |
| HSL | hsl(186, 43%, 33%) |
| OKLCH | oklch(51.3% 0.067 204.8) |
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 #307279 | 5.51:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #307279 | 3.80:1 | AA large text | Lc 26.7 | Dividers and decoration only |
| #307279 text on white | 5.51:1 | AA | Lc 77.3 | Fine for body text |
| #307279 text on black | 3.80:1 | AA large text | Lc -24.4 | 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
#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
#A9C7CA
oklch(80.8% 0.033 203.9)
-
Step 400
400
#7AAAB0
oklch(70.6% 0.052 205.7)
-
Step 500
500
#55959C
oklch(63% 0.067 204.7)
-
Step 600
600
#378087
oklch(55.7% 0.073 203.9)
-
Step 700
700 (this color)
#307279
oklch(51.3% 0.067 204.8)
-
Step 800
800
#24585D
oklch(42.8% 0.055 203.9)
-
Step 900
900
#23484C
oklch(37.6% 0.043 204.7)
-
Step 950
950
#152A2D
oklch(26.9% 0.027 207.4)
#307279 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) | #696E7A | 0.066 |
| Deuteranopia (no green cones) | #5E6579 | 0.061 |
| Tritanopia (no blue cones) | #007674 | 0.026 |
| Achromatopsia (no color) | #696969 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #307279
#307279
oklch(51.3% 0.067 204.8)
- #895753
#895753
oklch(51.1% 0.067 24.7)
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 #307279, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.022
- Deep Turquoise #017374 ΔE 0.024
- Dark Aquamarine #017371 ΔE 0.027
- Bluegreen #017A79 ΔE 0.029
- Ocean #017B92 ΔE 0.042
- Teal #008080 ΔE 0.042
- Dark Aqua #05696B ΔE 0.043
- Sea Blue #047495 ΔE 0.045
Use #307279 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.