#307174
Closest named color: Deep Turquoise (#017374). oklch(50.8% 0.066 199.4), rgb(48, 113, 116).
Aa
White text reads best on this color (5.61:1).
About this color
#307174 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.066 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Turquoise (#017374), ΔE 0.021 away. White text reads best on it, at 5.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Deep Turquoise (#017374) |
| Black text | 3.73:1 |
| White text | 5.61:1 |
Values
| HEX | #307174 |
| RGB | rgb(48, 113, 116) |
| HSL | hsl(183, 41%, 32%) |
| OKLCH | oklch(50.8% 0.066 199.4) |
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 #307174 | 5.61:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #307174 | 3.73:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #307174 text on white | 5.61:1 | AA | Lc 77.9 | Fine for body text |
| #307174 text on black | 3.73:1 | AA large text | Lc -23.9 | 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
#CCDDDD
oklch(88.5% 0.018 196.8)
-
Step 300
300
#AAC7C8
oklch(80.9% 0.031 199.1)
-
Step 400
400
#7BABAD
oklch(70.8% 0.051 199.3)
-
Step 500
500
#579699
oklch(63.2% 0.065 199.6)
-
Step 600
600
#398083
oklch(55.6% 0.071 199.1)
-
Step 700
700 (this color)
#307174
oklch(50.8% 0.066 199.4)
-
Step 800
800
#25585A
oklch(42.7% 0.054 198.8)
-
Step 900
900
#24494A
oklch(37.8% 0.042 197.8)
-
Step 950
950
#162B2B
oklch(27.2% 0.027 195.7)
#307174 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) | #696C74 | 0.067 |
| Deuteranopia (no green cones) | #5E6474 | 0.062 |
| Tritanopia (no blue cones) | #007572 | 0.024 |
| Achromatopsia (no color) | #676767 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #307174
#307174
oklch(50.8% 0.066 199.4)
- #875656
#875656
oklch(50.7% 0.065 19.6)
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 #307174, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Turquoise #017374 ΔE 0.021
- Dark Aquamarine #017371 ΔE 0.023
- Deep Aqua #08787F ΔE 0.026
- Bluegreen #017A79 ΔE 0.030
- Dark Aqua #05696B ΔE 0.038
- Teal #008080 ΔE 0.045
- Slate #516572 ΔE 0.047
- Ocean #017B92 ΔE 0.048
Use #307174 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.