#03674E
Closest named color: Dark Green Blue (#1F6357). oklch(45.7% 0.091 168.7), rgb(3, 103, 78).
Aa
White text reads best on this color (6.87:1).
About this color
#03674E is a medium-dark, moderately saturated green. In OKLCH its lightness is 46%, its chroma 0.091 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.025 away. White text reads best on it, at 6.87:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.05:1 |
| White text | 6.87:1 |
Values
| HEX | #03674E |
| RGB | rgb(3, 103, 78) |
| HSL | hsl(165, 94%, 21%) |
| OKLCH | oklch(45.7% 0.091 168.7) |
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 #03674E | 6.87:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #03674E | 3.05:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #03674E text on white | 6.87:1 | AA | Lc 83.3 | Fine for body text |
| #03674E text on black | 3.05:1 | AA large text | Lc -18.7 | 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 800.
-
Step 50
50
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C7E0D6
oklch(88.5% 0.03 169.6)
-
Step 300
300
#A0CCBA
oklch(80.9% 0.053 168.1)
-
Step 400
400
#68B297
oklch(70.7% 0.085 168.4)
-
Step 500
500
#349E7E
oklch(63% 0.108 169.1)
-
Step 600
600
#008867
oklch(55.7% 0.112 168.2)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800 (this color)
#03674E
oklch(45.7% 0.091 168.7)
-
Step 900
900
#0B4D3B
oklch(37.6% 0.07 169.3)
-
Step 950
950
#0B2D22
oklch(26.9% 0.044 168.3)
#03674E 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) | #645F4D | 0.092 |
| Deuteranopia (no green cones) | #595750 | 0.089 |
| Tritanopia (no blue cones) | #006860 | 0.028 |
| Achromatopsia (no color) | #5A5A5A | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03674E
#03674E
oklch(45.7% 0.091 168.7)
- #7C405F
#7C405F
oklch(45.6% 0.092 349.1)
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 #03674E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.025
- Spruce #0A5F38 ΔE 0.036
- Pine #2B5D34 ΔE 0.041
- Dark Aqua #05696B ΔE 0.046
- Dark Aquamarine #017371 ΔE 0.059
- Petrol #005F6A ΔE 0.060
- Deep Turquoise #017374 ΔE 0.063
- Deep Teal #00555A ΔE 0.069
Use #03674E 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.