#00617F
Closest named color: Petrol (#005F6A). oklch(46% 0.09 227.9), rgb(0, 97, 127).
Aa
White text reads best on this color (6.96:1).
About this color
#00617F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 46%, its chroma 0.090 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.035 away. White text reads best on it, at 6.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 3.01:1 |
| White text | 6.96:1 |
Values
| HEX | #00617F |
| RGB | rgb(0, 97, 127) |
| HSL | hsl(194, 100%, 25%) |
| OKLCH | oklch(46% 0.09 227.9) |
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 #00617F | 6.96:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #00617F | 3.01:1 | AA large text | Lc 20.5 | Dividers and decoration only |
| #00617F text on white | 6.96:1 | AA | Lc 83.5 | Fine for body text |
| #00617F text on black | 3.01:1 | AA large text | Lc -18.4 | 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 700.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE6
oklch(88.6% 0.024 227.8)
-
Step 300
300
#A4C7D7
oklch(80.9% 0.044 227.3)
-
Step 400
400
#71AAC3
oklch(70.8% 0.07 227.4)
-
Step 500
500
#4894B4
oklch(63.1% 0.089 228.2)
-
Step 600
600
#247E9F
oklch(55.6% 0.096 227.4)
-
Step 700
700 (this color)
#00617F
oklch(46% 0.09 227.9)
-
Step 800
800
#15576F
oklch(42.8% 0.074 227.4)
-
Step 900
900
#1A475A
oklch(37.6% 0.058 229.1)
-
Step 950
950
#112A34
oklch(27% 0.036 226.6)
#00617F 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) | #515F80 | 0.064 |
| Deuteranopia (no green cones) | #42557F | 0.055 |
| Tritanopia (no blue cones) | #00696B | 0.048 |
| Achromatopsia (no color) | #595959 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00617F
#00617F
oklch(46% 0.09 227.9)
- #804728
#804728
oklch(46% 0.09 47.9)
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 #00617F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.035
- Light Navy Blue #2E5A88 ΔE 0.037
- Peacock Blue #016795 ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.042
- Denim #3B638C ΔE 0.045
- YInMn Blue #415A77 ΔE 0.045
- Dark Aqua #05696B ΔE 0.048
- Dusk Blue #26538D ΔE 0.054
Use #00617F 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.