#307C63
Closest named color: Bluegreen (#017A79). oklch(53.2% 0.085 168.3), rgb(48, 124, 99).
Aa
White text reads best on this color (5.01:1).
About this color
#307C63 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.085 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.039 away. White text reads best on it, at 5.01:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #307C63 |
| RGB | rgb(48, 124, 99) |
| HSL | hsl(160, 44%, 34%) |
| OKLCH | oklch(53.2% 0.085 168.3) |
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 #307C63 | 5.01:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #307C63 | 4.18:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #307C63 text on white | 5.01:1 | AA | Lc 74.4 | Content text, not long reading |
| #307C63 text on black | 4.18:1 | AA large text | Lc -27.3 | 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 600.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CCDED6
oklch(88.5% 0.022 167.4)
-
Step 300
300
#AAC9BC
oklch(80.9% 0.038 168.1)
-
Step 400
400
#7BAD99
oklch(70.6% 0.061 167.9)
-
Step 500
500
#569981
oklch(63.1% 0.078 168.6)
-
Step 600
600 (this color)
#307C63
oklch(53.2% 0.085 168.3)
-
Step 700
700
#296F58
oklch(49.1% 0.08 168.2)
-
Step 800
800
#245A48
oklch(42.5% 0.065 168.5)
-
Step 900
900
#234A3C
oklch(37.6% 0.051 168)
-
Step 950
950
#152C23
oklch(27.1% 0.034 166.7)
#307C63 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) | #797462 | 0.086 |
| Deuteranopia (no green cones) | #6E6C65 | 0.083 |
| Tritanopia (no blue cones) | #007D75 | 0.030 |
| Achromatopsia (no color) | #6F6F6F | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #307C63
#307C63
oklch(53.2% 0.085 168.3)
- #915775
#915775
oklch(53.2% 0.086 348.1)
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 #307C63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.039
- Teal #008080 ΔE 0.043
- Dark Aquamarine #017371 ΔE 0.046
- Deep Turquoise #017374 ΔE 0.049
- Deep Aqua #08787F ΔE 0.051
- Dark Sage #598556 ΔE 0.055
- Sea Green #2E8B57 ΔE 0.055
- Jungle Green #048243 ΔE 0.060
Use #307C63 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.