#30708A
Closest named color: Sea Blue (#047495). oklch(51.5% 0.077 227.8), rgb(48, 112, 138).
Aa
White text reads best on this color (5.51:1).
About this color
#30708A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.077 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.024 away. White text reads best on it, at 5.51:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.81:1 |
| White text | 5.51:1 |
Values
| HEX | #30708A |
| RGB | rgb(48, 112, 138) |
| HSL | hsl(197, 48%, 36%) |
| OKLCH | oklch(51.5% 0.077 227.8) |
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 #30708A | 5.51:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #30708A | 3.81:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #30708A text on white | 5.51:1 | AA | Lc 77.3 | Fine for body text |
| #30708A text on black | 3.81:1 | AA large text | Lc -24.5 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CCDCE4
oklch(88.5% 0.02 229.1)
-
Step 300
300
#A9C6D4
oklch(81% 0.037 228.5)
-
Step 400
400
#79A8BE
oklch(70.6% 0.06 228.6)
-
Step 500
500
#5593AE
oklch(63.2% 0.076 228)
-
Step 600
600
#377D99
oklch(55.7% 0.082 227.4)
-
Step 700
700 (this color)
#30708A
oklch(51.5% 0.077 227.8)
-
Step 800
800
#23566A
oklch(42.8% 0.063 226.9)
-
Step 900
900
#224756
oklch(37.7% 0.049 226.8)
-
Step 950
950
#152A32
oklch(27.1% 0.031 224.6)
#30708A 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) | #626E8B | 0.056 |
| Deuteranopia (no green cones) | #56658A | 0.049 |
| Tritanopia (no blue cones) | #007778 | 0.047 |
| Achromatopsia (no color) | #696969 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30708A
#30708A
oklch(51.5% 0.077 227.8)
- #8C5A40
#8C5A40
oklch(51.7% 0.077 48)
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 #30708A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.024
- Ocean Blue #03719C ΔE 0.032
- Ocean #017B92 ΔE 0.034
- Metallic Blue #4F738E ΔE 0.034
- Muted Blue #3B719F ΔE 0.036
- Deep Aqua #08787F ΔE 0.039
- Denim #3B638C ΔE 0.040
- Dull Blue #49759C ΔE 0.041
Use #30708A 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.