#427198
Closest named color: Muted Blue (#3B719F). oklch(53.2% 0.08 245.2), rgb(66, 113, 152).
Aa
White text reads best on this color (5.18:1).
About this color
#427198 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.080 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.013 away. White text reads best on it, at 5.18:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 4.04:1 |
| White text | 5.18:1 |
Values
| HEX | #427198 |
| RGB | rgb(66, 113, 152) |
| HSL | hsl(207, 39%, 43%) |
| OKLCH | oklch(53.2% 0.08 245.2) |
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 #427198 | 5.18:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #427198 | 4.04:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #427198 text on white | 5.18:1 | AA | Lc 75.6 | Fine for body text |
| #427198 text on black | 4.04:1 | AA large text | Lc -26.1 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CFDBE6
oklch(88.6% 0.02 245.7)
-
Step 300
300
#AEC4D7
oklch(81% 0.036 244.3)
-
Step 400
400
#83A5C3
oklch(70.7% 0.058 245.4)
-
Step 500
500
#638EB4
oklch(63% 0.074 246)
-
Step 600
600 (this color)
#427198
oklch(53.2% 0.08 245.2)
-
Step 700
700
#3A6588
oklch(49.1% 0.074 244.7)
-
Step 800
800
#30526F
oklch(42.6% 0.063 245.7)
-
Step 900
900
#2B445A
oklch(37.6% 0.049 246.1)
-
Step 950
950
#1A2835
oklch(27% 0.031 247.2)
#427198 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) | #60729A | 0.037 |
| Deuteranopia (no green cones) | #556997 | 0.029 |
| Tritanopia (no blue cones) | #007A7E | 0.068 |
| Achromatopsia (no color) | #6D6D6D | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427198
#427198
oklch(53.2% 0.08 245.2)
- #8C6237
#8C6237
oklch(53.1% 0.08 65.2)
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 #427198, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.013
- Dull Blue #49759C ΔE 0.015
- Metallic Blue #4F738E ΔE 0.023
- Flat Blue #3C73A8 ΔE 0.025
- Cerulean #457B9D ΔE 0.030
- Stormy Blue #507B9C ΔE 0.035
- Ocean Blue #03719C ΔE 0.036
- Sea Blue #047495 ΔE 0.036
Use #427198 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.