#30709F
Closest named color: Muted Blue (#3B719F). oklch(52.5% 0.099 243.6), rgb(48, 112, 159).
Aa
White text reads best on this color (5.32:1).
About this color
#30709F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.099 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.010 away. White text reads best on it, at 5.32:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 3.94:1 |
| White text | 5.32:1 |
Values
| HEX | #30709F |
| RGB | rgb(48, 112, 159) |
| HSL | hsl(205, 54%, 41%) |
| OKLCH | oklch(52.5% 0.099 243.6) |
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 #30709F | 5.32:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #30709F | 3.94:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #30709F text on white | 5.32:1 | AA | Lc 76.2 | Fine for body text |
| #30709F text on black | 3.94:1 | AA large text | Lc -25.5 | 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 600.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CCDBE9
oklch(88.4% 0.025 246.2)
-
Step 300
300
#A9C5DC
oklch(81% 0.045 243.1)
-
Step 400
400
#7AA6CA
oklch(70.7% 0.071 243.7)
-
Step 500
500
#5690BC
oklch(63.2% 0.09 242.7)
-
Step 600
600 (this color)
#30709F
oklch(52.5% 0.099 243.6)
-
Step 700
700
#2B6691
oklch(49.2% 0.092 243.4)
-
Step 800
800
#255375
oklch(42.6% 0.076 243.3)
-
Step 900
900
#23455F
oklch(37.7% 0.06 243.4)
-
Step 950
950
#152837
oklch(26.8% 0.038 243.7)
#30709F 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) | #5B71A1 | 0.046 |
| Deuteranopia (no green cones) | #4B669E | 0.036 |
| Tritanopia (no blue cones) | #007B80 | 0.071 |
| Achromatopsia (no color) | #6B6B6B | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30709F
#30709F
oklch(52.5% 0.099 243.6)
- #925D25
#925D25
oklch(52.6% 0.099 63.8)
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 #30709F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.010
- Flat Blue #3C73A8 ΔE 0.020
- Ocean Blue #03719C ΔE 0.021
- Sea Blue #047495 ΔE 0.030
- Dull Blue #49759C ΔE 0.030
- French Blue #436BAD ΔE 0.034
- Nice Blue #107AB0 ΔE 0.035
- Mid Blue #276AB3 ΔE 0.040
Use #30709F 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.