#307F94
Closest named color: Ocean (#017B92). oklch(55.7% 0.082 218.6), rgb(48, 127, 148).
Aa
Black text reads best on this color (4.58:1).
About this color
#307F94 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.082 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.024 away. Black text reads best on it, at 4.58:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.58:1 |
| White text | 4.57:1 |
Values
| HEX | #307F94 |
| RGB | rgb(48, 127, 148) |
| HSL | hsl(193, 51%, 38%) |
| OKLCH | oklch(55.7% 0.082 218.6) |
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 #307F94 | 4.57:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #307F94 | 4.58:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #307F94 text on white | 4.57:1 | AA | Lc 71.5 | Content text, not long reading |
| #307F94 text on black | 4.58:1 | AA | Lc -30.1 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A7C7D1
oklch(80.9% 0.037 218.7)
-
Step 400
400
#76AABA
oklch(70.7% 0.06 219)
-
Step 500
500
#5095A8
oklch(63.2% 0.075 217.9)
-
Step 600
600 (this color)
#307F94
oklch(55.7% 0.082 218.6)
-
Step 700
700
#216B7E
oklch(49.2% 0.076 218.6)
-
Step 800
800
#1E5766
oklch(42.7% 0.063 218.5)
-
Step 900
900
#1F4853
oklch(37.7% 0.049 217.8)
-
Step 950
950
#132A31
oklch(27% 0.032 219.8)
#307F94 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) | #727B95 | 0.071 |
| Deuteranopia (no green cones) | #637194 | 0.062 |
| Tritanopia (no blue cones) | #008686 | 0.039 |
| Achromatopsia (no color) | #757575 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #307F94
#307F94
oklch(55.7% 0.082 218.6)
- #9D624F
#9D624F
oklch(55.6% 0.082 38.6)
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 #307F94, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.024
- Cerulean #457B9D ΔE 0.027
- Teal Blue #01889F ΔE 0.029
- Stormy Blue #507B9C ΔE 0.034
- Dull Blue #49759C ΔE 0.040
- Teal #008080 ΔE 0.040
- Metallic Blue #4F738E ΔE 0.040
- Sea Blue #047495 ΔE 0.042
Use #307F94 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.