#497C8D
Closest named color: Cerulean (#457B9D). oklch(55.7% 0.061 221.4), rgb(73, 124, 141).
Aa
White text reads best on this color (4.61:1).
About this color
#497C8D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 56%, its chroma 0.061 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.027 away. White text reads best on it, at 4.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.55:1 |
| White text | 4.61:1 |
Values
| HEX | #497C8D |
| RGB | rgb(73, 124, 141) |
| HSL | hsl(195, 32%, 42%) |
| OKLCH | oklch(55.7% 0.061 221.4) |
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 #497C8D | 4.61:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #497C8D | 4.55:1 | AA | Lc 32.1 | Non-text elements, placeholder text |
| #497C8D text on white | 4.61:1 | AA | Lc 72.0 | Content text, not long reading |
| #497C8D text on black | 4.55:1 | AA | Lc -29.7 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CFDCE0
oklch(88.6% 0.015 218.1)
-
Step 300
300
#AEC5CD
oklch(80.9% 0.027 220.7)
-
Step 400
400
#83A7B4
oklch(70.6% 0.044 221.9)
-
Step 500
500
#6392A2
oklch(63.2% 0.056 221.3)
-
Step 600
600 (this color)
#497C8D
oklch(55.7% 0.061 221.4)
-
Step 700
700
#3A6878
oklch(49.1% 0.057 222.6)
-
Step 800
800
#305561
oklch(42.7% 0.047 220.8)
-
Step 900
900
#2B464F
oklch(37.6% 0.036 221)
-
Step 950
950
#1A292E
oklch(27% 0.022 220.6)
#497C8D 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) | #72798E | 0.051 |
| Deuteranopia (no green cones) | #68728D | 0.045 |
| Tritanopia (no blue cones) | #278281 | 0.040 |
| Achromatopsia (no color) | #757575 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #497C8D
#497C8D
oklch(55.7% 0.061 221.4)
- #936858
#936858
oklch(55.8% 0.061 41.3)
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 #497C8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.027
- Stormy Blue #507B9C ΔE 0.027
- Metallic Blue #4F738E ΔE 0.028
- Grey Blue #647D8E ΔE 0.032
- Dull Blue #49759C ΔE 0.036
- Ocean #017B92 ΔE 0.041
- Battleship Grey #6B7C85 ΔE 0.041
- Battleship Gray #6C757D ΔE 0.046
Use #497C8D 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.