#30757E
Closest named color: Deep Aqua (#08787F). oklch(52.2% 0.07 207), rgb(48, 117, 126).
Aa
White text reads best on this color (5.28:1).
About this color
#30757E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.070 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.019 away. White text reads best on it, at 5.28:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #30757E |
| RGB | rgb(48, 117, 126) |
| HSL | hsl(187, 45%, 34%) |
| OKLCH | oklch(52.2% 0.07 207) |
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 #30757E | 5.28:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #30757E | 3.97:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #30757E text on white | 5.28:1 | AA | Lc 76.1 | Fine for body text |
| #30757E text on black | 3.97:1 | AA large text | Lc -25.7 | 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
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDDF
oklch(88.5% 0.018 205.3)
-
Step 300
300
#A8C7CC
oklch(80.8% 0.034 208.4)
-
Step 400
400
#78ABB2
oklch(70.8% 0.055 206.7)
-
Step 500
500
#53969F
oklch(63.2% 0.069 206.8)
-
Step 600
600
#34808A
oklch(55.7% 0.075 207.1)
-
Step 700
700 (this color)
#30757E
oklch(52.2% 0.07 207)
-
Step 800
800
#21585F
oklch(42.7% 0.058 206.8)
-
Step 900
900
#21484E
oklch(37.6% 0.045 208.6)
-
Step 950
950
#142A2D
oklch(26.8% 0.028 206.9)
#30757E 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) | #6C717F | 0.068 |
| Deuteranopia (no green cones) | #60687E | 0.062 |
| Tritanopia (no blue cones) | #007A78 | 0.028 |
| Achromatopsia (no color) | #6C6C6C | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30757E
#30757E
oklch(52.2% 0.07 207)
- #8E5A54
#8E5A54
oklch(52.3% 0.07 26.9)
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 #30757E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.019
- Bluegreen #017A79 ΔE 0.027
- Deep Turquoise #017374 ΔE 0.029
- Dark Aquamarine #017371 ΔE 0.032
- Ocean #017B92 ΔE 0.033
- Teal #008080 ΔE 0.035
- Sea Blue #047495 ΔE 0.041
- Metallic Blue #4F738E ΔE 0.043
Use #30757E 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.