#497D97
Closest named color: Cerulean (#457B9D). oklch(56.4% 0.069 231.5), rgb(73, 125, 151).
Aa
Black text reads best on this color (4.66:1).
About this color
#497D97 is a medium-dark, muted blue. In OKLCH its lightness is 56%, its chroma 0.069 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.013 away. Black text reads best on it, at 4.66:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.66:1 |
| White text | 4.50:1 |
Values
| HEX | #497D97 |
| RGB | rgb(73, 125, 151) |
| HSL | hsl(200, 35%, 44%) |
| OKLCH | oklch(56.4% 0.069 231.5) |
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 #497D97 | 4.50:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #497D97 | 4.66:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #497D97 text on white | 4.50:1 | AA | Lc 71.1 | Content text, not long reading |
| #497D97 text on black | 4.66:1 | AA | Lc -30.5 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDBE3
oklch(88.4% 0.018 234.5)
-
Step 300
300
#ADC5D1
oklch(80.9% 0.031 229.3)
-
Step 400
400
#82A7BA
oklch(70.8% 0.049 230.6)
-
Step 500
500
#6191A9
oklch(63.1% 0.063 230.7)
-
Step 600
600 (this color)
#497D97
oklch(56.4% 0.069 231.5)
-
Step 700
700
#38677F
oklch(49.1% 0.064 232.4)
-
Step 800
800
#2F5467
oklch(42.6% 0.053 232.2)
-
Step 900
900
#2A4654
oklch(37.8% 0.041 231)
-
Step 950
950
#192931
oklch(27% 0.026 230.6)
#497D97 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) | #707B98 | 0.047 |
| Deuteranopia (no green cones) | #657397 | 0.041 |
| Tritanopia (no blue cones) | #1D8485 | 0.052 |
| Achromatopsia (no color) | #777777 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #497D97
#497D97
oklch(56.4% 0.069 231.5)
- #966A50
#966A50
oklch(56.3% 0.068 51.5)
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 #497D97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.013
- Stormy Blue #507B9C ΔE 0.013
- Dull Blue #49759C ΔE 0.027
- Metallic Blue #4F738E ΔE 0.029
- Grey Blue #647D8E ΔE 0.033
- Off Blue #5684AE ΔE 0.042
- Teal Blue #01889F ΔE 0.043
- Ocean #017B92 ΔE 0.043
Use #497D97 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.