#6574A3
Closest named color: Stormy Blue (#507B9C). oklch(56.6% 0.075 270.3), rgb(101, 116, 163).
Aa
White text reads best on this color (4.58:1).
About this color
#6574A3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.075 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.035 away. White text reads best on it, at 4.58:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.58:1 |
| White text | 4.58:1 |
Values
| HEX | #6574A3 |
| RGB | rgb(101, 116, 163) |
| HSL | hsl(225, 25%, 52%) |
| OKLCH | oklch(56.6% 0.075 270.3) |
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 #6574A3 | 4.58:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #6574A3 | 4.58:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #6574A3 text on white | 4.58:1 | AA | Lc 71.8 | Content text, not long reading |
| #6574A3 text on black | 4.58:1 | AA | Lc -29.9 | 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 600.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D4D9E6
oklch(88.5% 0.019 269.1)
-
Step 300
300
#B8C0D7
oklch(80.9% 0.034 270.4)
-
Step 400
400
#939FC3
oklch(70.6% 0.055 270.5)
-
Step 500
500
#7988B4
oklch(63.1% 0.069 269.8)
-
Step 600
600 (this color)
#6574A3
oklch(56.6% 0.075 270.3)
-
Step 700
700
#515F89
oklch(49.2% 0.07 269.6)
-
Step 800
800
#434D6F
oklch(42.6% 0.058 271.2)
-
Step 900
900
#38405A
oklch(37.6% 0.046 270.9)
-
Step 950
950
#212635
oklch(27.1% 0.029 270.1)
#6574A3 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) | #6478A5 | 0.011 |
| Deuteranopia (no green cones) | #5F73A2 | 0.009 |
| Tritanopia (no blue cones) | #527D85 | 0.066 |
| Achromatopsia (no color) | #757575 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6574A3
#6574A3
oklch(56.6% 0.075 270.3)
- #877440
#877440
oklch(56.5% 0.075 89.9)
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 #6574A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.035
- Dull Blue #49759C ΔE 0.037
- Cerulean #457B9D ΔE 0.043
- Off Blue #5684AE ΔE 0.045
- Metallic Blue #4F738E ΔE 0.045
- Flat Blue #3C73A8 ΔE 0.048
- Grey Blue #647D8E ΔE 0.048
- Steel Blue #4682B4 ΔE 0.049
Use #6574A3 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.