#307377
Closest named color: Deep Aqua (#08787F). oklch(51.4% 0.067 200.6), rgb(48, 115, 119).
Aa
White text reads best on this color (5.46:1).
About this color
#307377 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.067 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.021 away. White text reads best on it, at 5.46:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.84:1 |
| White text | 5.46:1 |
Values
| HEX | #307377 |
| RGB | rgb(48, 115, 119) |
| HSL | hsl(183, 43%, 33%) |
| OKLCH | oklch(51.4% 0.067 200.6) |
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 #307377 | 5.46:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #307377 | 3.84:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #307377 text on white | 5.46:1 | AA | Lc 77.1 | Fine for body text |
| #307377 text on black | 3.84:1 | AA large text | Lc -24.7 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CCDDDE
oklch(88.5% 0.018 201.1)
-
Step 300
300
#A9C7C9
oklch(80.8% 0.032 201.5)
-
Step 400
400
#7AABAE
oklch(70.8% 0.052 200.8)
-
Step 500
500
#55969A
oklch(63.1% 0.067 200.7)
-
Step 600
600
#378084
oklch(55.6% 0.072 200.2)
-
Step 700
700 (this color)
#307377
oklch(51.4% 0.067 200.6)
-
Step 800
800
#23585B
oklch(42.6% 0.056 200.4)
-
Step 900
900
#23494B
oklch(37.8% 0.043 200)
-
Step 950
950
#152B2C
oklch(27.1% 0.028 199.4)
#307377 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) | #6B6E77 | 0.068 |
| Deuteranopia (no green cones) | #606677 | 0.063 |
| Tritanopia (no blue cones) | #007774 | 0.024 |
| Achromatopsia (no color) | #696969 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #307377
#307377
oklch(51.4% 0.067 200.6)
- #8A5857
#8A5857
oklch(51.5% 0.067 20.9)
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 #307377, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.021
- Deep Turquoise #017374 ΔE 0.022
- Dark Aquamarine #017371 ΔE 0.025
- Bluegreen #017A79 ΔE 0.026
- Teal #008080 ΔE 0.039
- Ocean #017B92 ΔE 0.043
- Dark Aqua #05696B ΔE 0.043
- Sea Blue #047495 ΔE 0.049
Use #307377 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.