#497DAA
Closest named color: Steel Blue (#4682B4). oklch(57.3% 0.09 246.3), rgb(73, 125, 170).
Aa
Black text reads best on this color (4.79:1).
About this color
#497DAA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.090 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Blue (#4682B4), ΔE 0.018 away. Black text reads best on it, at 4.79:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 4.79:1 |
| White text | 4.37:1 |
Values
| HEX | #497DAA |
| RGB | rgb(73, 125, 170) |
| HSL | hsl(208, 40%, 48%) |
| OKLCH | oklch(57.3% 0.09 246.3) |
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 #497DAA | 4.37:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #497DAA | 4.79:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #497DAA text on white | 4.37:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #497DAA text on black | 4.79:1 | AA | Lc -31.5 | Non-text elements, placeholder text |
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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE7
oklch(88.5% 0.022 245.9)
-
Step 300
300
#ACC4DA
oklch(80.9% 0.041 246)
-
Step 400
400
#80A5C7
oklch(70.7% 0.064 246.6)
-
Step 500
500
#5F8EB9
oklch(63% 0.083 247.1)
-
Step 600
600 (this color)
#497DAA
oklch(57.3% 0.09 246.3)
-
Step 700
700
#35658D
oklch(49.1% 0.083 245.7)
-
Step 800
800
#2D5273
oklch(42.6% 0.07 247.2)
-
Step 900
900
#29445D
oklch(37.7% 0.054 247.6)
-
Step 950
950
#182836
oklch(27% 0.034 245.9)
#497DAA 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) | #6A7EAC | 0.039 |
| Deuteranopia (no green cones) | #5D74A9 | 0.031 |
| Tritanopia (no blue cones) | #00888C | 0.076 |
| Achromatopsia (no color) | #797979 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #497DAA
#497DAA
oklch(57.3% 0.09 246.3)
- #9C6D3B
#9C6D3B
oklch(57.3% 0.089 66)
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 #497DAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.018
- Cerulean #457B9D ΔE 0.021
- Stormy Blue #507B9C ΔE 0.022
- Off Blue #5684AE ΔE 0.026
- Cool Blue #4984B8 ΔE 0.026
- Dull Blue #49759C ΔE 0.028
- Flat Blue #3C73A8 ΔE 0.033
- Dusty Blue #5A86AD ΔE 0.034
Use #497DAA 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.