#307281
Closest named color: Deep Aqua (#08787F). oklch(51.6% 0.07 215.1), rgb(48, 114, 129).
Aa
White text reads best on this color (5.45:1).
About this color
#307281 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.070 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.025 away. White text reads best on it, at 5.45:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.84:1 |
| White text | 5.45:1 |
Values
| HEX | #307281 |
| RGB | rgb(48, 114, 129) |
| HSL | hsl(191, 46%, 35%) |
| OKLCH | oklch(51.6% 0.07 215.1) |
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 #307281 | 5.45:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #307281 | 3.84:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #307281 text on white | 5.45:1 | AA | Lc 77.0 | Fine for body text |
| #307281 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CCDDE1
oklch(88.6% 0.019 213.4)
-
Step 300
300
#A9C7CE
oklch(81% 0.034 213.4)
-
Step 400
400
#79AAB6
oklch(70.8% 0.055 214.6)
-
Step 500
500
#5594A4
oklch(63% 0.069 216)
-
Step 600
600
#367F8F
oklch(55.7% 0.076 214.4)
-
Step 700
700 (this color)
#307281
oklch(51.6% 0.07 215.1)
-
Step 800
800
#235763
oklch(42.7% 0.058 215.3)
-
Step 900
900
#224851
oklch(37.8% 0.046 215.1)
-
Step 950
950
#152A2F
oklch(27% 0.028 214.7)
#307281 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) | #676F82 | 0.062 |
| Deuteranopia (no green cones) | #5B6681 | 0.056 |
| Tritanopia (no blue cones) | #007877 | 0.035 |
| Achromatopsia (no color) | #696969 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #307281
#307281
oklch(51.6% 0.07 215.1)
- #8B594C
#8B594C
oklch(51.6% 0.07 35.3)
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 #307281, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.025
- Deep Turquoise #017374 ΔE 0.033
- Ocean #017B92 ΔE 0.034
- Sea Blue #047495 ΔE 0.034
- Bluegreen #017A79 ΔE 0.036
- Dark Aquamarine #017371 ΔE 0.037
- Metallic Blue #4F738E ΔE 0.039
- Teal #008080 ΔE 0.045
Use #307281 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.